* Added to all toUpperCase/toLowerCase calls the Locale.ENGLISH to prevent problems with some languages (e.g. Turkish). Removed some unused import statements. (#4634).

Mage.Client/src/main/java/mage/client/cards/DragCardGrid.java

@@ -1217,7 +1217,7 @@ public class DragCardGrid extends JPanel implements DragCardSource, DragCardTarg
         String searchStr = "";
         if (searchByTextField.getText().length() >= 3) {
             useText = true;
-            searchStr = searchByTextField.getText().toLowerCase();
+            searchStr = searchByTextField.getText().toLowerCase(Locale.ENGLISH);
         }
 
         for (CardType cardType : selectByTypeButtons.keySet()) {
@@ -1267,20 +1267,20 @@ public class DragCardGrid extends JPanel implements DragCardSource, DragCardTarg
                         boolean s = card.isSelected();
                         // Name
                         if (!s) {
-                            s |= card.getName().toLowerCase().contains(searchStr);
+                            s |= card.getName().toLowerCase(Locale.ENGLISH).contains(searchStr);
                         }
                         // Sub & Super Types
                         if (!s) {
                             for (SuperType str : card.getSuperTypes()) {
-                                s |= str.toString().toLowerCase().contains(searchStr);
+                                s |= str.toString().toLowerCase(Locale.ENGLISH).contains(searchStr);
                             }
                             for (SubType str : card.getSubTypes()) {
-                                s |= str.toString().toLowerCase().contains(searchStr);
+                                s |= str.toString().toLowerCase(Locale.ENGLISH).contains(searchStr);
                             }
                         }
                         // Rarity
                         if (!s) {
-                            s |= card.getRarity().toString().toLowerCase().contains(searchStr);
+                            s |= card.getRarity().toString().toLowerCase(Locale.ENGLISH).contains(searchStr);
                         }
                         // Type line
                         if (!s) {
@@ -1288,7 +1288,7 @@ public class DragCardGrid extends JPanel implements DragCardSource, DragCardTarg
                             for (CardType type : card.getCardTypes()) {
                                 t += ' ' + type.toString();
                             }
-                            s |= t.toLowerCase().contains(searchStr);
+                            s |= t.toLowerCase(Locale.ENGLISH).contains(searchStr);
                         }
                         // Casting cost
                         if (!s) {
@@ -1296,12 +1296,12 @@ public class DragCardGrid extends JPanel implements DragCardSource, DragCardTarg
                             for (String m : card.getManaCost()) {
                                 mc += m;
                             }
-                            s |= mc.toLowerCase().contains(searchStr);
+                            s |= mc.toLowerCase(Locale.ENGLISH).contains(searchStr);
                         }
                         // Rules
                         if (!s) {
                             for (String str : card.getRules()) {
-                                s |= str.toLowerCase().contains(searchStr);
+                                s |= str.toLowerCase(Locale.ENGLISH).contains(searchStr);
                             }
                         }
                         card.setSelected(s);
@@ -1348,21 +1348,21 @@ public class DragCardGrid extends JPanel implements DragCardSource, DragCardTarg
                     }
                     // Sub & Super Types
                     for (SuperType type : card.getSuperTypes()) {
-                        t += ' ' + type.toString().toLowerCase();
+                        t += ' ' + type.toString().toLowerCase(Locale.ENGLISH);
                     }
                     for (SubType str : card.getSubTypes()) {
-                        t += " " + str.toString().toLowerCase();
+                        t += " " + str.toString().toLowerCase(Locale.ENGLISH);
                     }
 
                     for (String qty : qtys.keySet()) {
                         int value = qtys.get(qty);
-                        if (t.toLowerCase().contains(qty)) {
+                        if (t.toLowerCase(Locale.ENGLISH).contains(qty)) {
                             qtys.put(qty, ++value);
                         }
 
                         // Rules
                         for (String str : card.getRules()) {
-                            if (str.toLowerCase().contains(qty)) {
+                            if (str.toLowerCase(Locale.ENGLISH).contains(qty)) {
                                 qtys.put(qty, ++value);
                             }
                         }
@@ -1380,10 +1380,10 @@ public class DragCardGrid extends JPanel implements DragCardSource, DragCardTarg
                     }
                     mc = mc.replaceAll("\\{([WUBRG]).([WUBRG])\\}", "{$1}{$2}");
                     mc = mc.replaceAll("\\{", "#");
-                    mc = mc.toLowerCase();
+                    mc = mc.toLowerCase(Locale.ENGLISH);
                     for (String pip : pips.keySet()) {
                         int value = pips.get(pip);
-                        while (mc.toLowerCase().contains(pip)) {
+                        while (mc.toLowerCase(Locale.ENGLISH).contains(pip)) {
                             pips.put(pip, ++value);
                             mc = mc.replaceFirst(pip, "");
                         }

Mage.Client/src/main/java/mage/client/chat/ChatPanelBasic.java

@@ -39,6 +39,7 @@ import java.awt.Font;
 import java.awt.event.KeyEvent;
 import java.text.DateFormat;
 import java.util.Date;
+import java.util.Locale;
 import java.util.UUID;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -196,15 +197,15 @@ public class ChatPanelBasic extends javax.swing.JPanel {
 
     Pattern profanityPattern = Pattern.compile(".*(1ab1a|1d1ot|13p3r|13sb1ans|13sbo|13s13|13sb1an|13sbo|13sy|1nbr3d|1nc3st|1njun|1ub3|\\Wbj|\\Wcum|\\Wdum|\\Wfag|\\Wfap|\\W[sf]uk|\\Wj1s|\\Wp3do|\\Wp33|\\Wpoo\\W|\\Wt1t|aho13|an1ngu|ana1|anus|ar3o1a|ar3o13|ary1an|axyx|axyxhat|axyxho13|axyxmast3r|axyxmunch|axyxw1p3|b1atch|b1gt1t|b1mbo|b1ow|b1tch|ba1s|bab3|bang|barf|bastard|bawdy|b3an3r|b3ard3dc1am|b3ast1a1ty|b3atch|b3at3r|b3av3r|b3otch|b3yotch|bo1nk|bod1y|bon3d|bon3r|bon3|bob|bot13|boty|bow31|br3ast|bug3r|bukak3|bung|busty|buxyx|c1t|caca|cahon3|cam31to3|carp3tmunch3r|cawk|c3rv1x|ch1nc|ch1nk|chod3|co1ta1|cockb1ock|cockho1st3r|cocknock3r|cocksmok3r|cocksuck3r|cock|condom|corksuck3r|crabs|cums1ut|cumshot|cumsta1n|cnt|cun1ngus|cuntfac3|cunthunt3r|cunt|d1ck|d1k3|d1do|d1mw1t|d1ng13|d1psh1p|dago|dam1t|damn1t|damn3d|damn|dawg13sty13|dog13sty13|dogysty13|dong|dop3y|douch3|drunk|dumb|dumas|dum|dumbas|dumy|dyk3|3jacu1at3|3n1arg3m3nt|3r3ct1on|3r3ct|3rot1c|3xtacy|3xtasy|f.ck|f1osy|f1st3d|f1st1ng|f1sty|fa1gt|fa1g|fack|fag1t|fag3d|fagot|fag|[sf]cuk|f31at1o|f31at3|f31ch1ng|f31ch3r|f31ch|f31tch3r|f31tch|foad|fobar|fond13|for3sk1n|fu.k|fudg3pack3r|[sf]uk|g1ans|g1go1o|ganja|ghay|gh3y|go1d3nshow3r|gonad|gok|gr1ngo|h1t13r|handjob|hardon|hokah|hok3r|homo|honky|hor|hotch|hot3r|horny|hump1ng|hump3d|hump|hym3n|j1sm|j1s3d|j1sm|j1s|jackas|jackho13|jackof|j3rk3d|j3rkof|j3rk|junk13|junky|k1an|k1k3|k1nky|knob3nd|kyk3|mams|masa|mast3rba|masturba|max1|m3ns3s|m3nstruat|m[sf]uck1ng|mofo|moron|moth3rf|mthrf|muf|n1ger|n1ga|n1mrod|n1ny|n1p13|nak3d|napa1m|napy|nas1|n3gro|noky|nympho|op1at3|op1um|ora1y|ora1|org13s|organ|orgasm|orgy|ovary|ovum|p1owb1t3r|p1mp|p1nko|p1s3d|p1sof|p1s|pak1|pant13|panty|past13|pasty|p3ck3r|p3doph1|p3p3|p3n1a1|p3n13|p3n1s|p3n3trat1on|p3n3trat3|p3rv3rs1on|p3yot3|pha1c|phuck|po1ack|po1ock|pontang|pop|pr1ck|pr1g|pron|pub1|pub3|punkas|punky|pus1|pusy|puto|qu1cky|qu1ck13|qu1m|qu3af|qu3ro|qu3rs|qu3r|r1mjob|r1tard|racy|rap1st|rap3d|rap3r|rap3|raunch|r31ch|r3cta1|r3ctum|r3ctus|r3tard|r3tar|rtard|rumpram3r|rump|s1av3|s13as|s1ut|sack|sad1s|scag|sch1ong|sch1so|scr3w|scrog|scrot|scrud|scum|s3aman|s3am3n|s3duc3|s3m3n|s3xua1|sh1t|skag|skank|sm3gma|smut|sn1p3r|snatch|sodom|sp1ck|sp1c|sp1k|sp3rm|spunk|st3amy|stfu|ston3d|str1p|strok3|stup1d|suck|sumofab1atch|t1nk13|t1t[sf]uck|tampon|tard|t3abag1ng|t3at|t3st1|t3st3|t3urd|thrust|tramp|trans|trashy|twat|ug1y|unw3d|ur1n3a|ut3rus|vag1na|vu1gar|vu1va|w1g3r|wang|wank3r|wank|w31n3r|w31rdo|w3dg13|w3n13|w3tback|w3w3|wh1t3y|wh1s|whor3).*");
     Pattern profanity2Pattern = Pattern.compile(".*(1ab1a|1d1ot|13p3r|13sb1ans|13sbo|13s13|13sb1an|13sbo|13sy|1nbr3d|1nc3st|1njun|1ub3|\\Wbj|\\Wcum|\\Wdum|\\Wfag|\\Wfap|\\W[sf]uk|\\Wj1s|\\Wp3do|\\Wp3|\\Wpo\\W|\\Wt1t|aho13|an1ngu|ana1|anus|ar3o1a|ar3o13|ary1an|axyx|axyxhat|axyxho13|axyxmast3r|axyxmunch|axyxw1p3|b1atch|b1gt1t|b1mbo|b1ow|b1tch|ba1s|bab3|bang|barf|bastard|bawdy|b3an3r|b3ard3dc1am|b3ast1a1ty|b3atch|b3at3r|b3av3r|b3otch|b3yotch|bo1nk|bod1y|bon3d|bon3r|bon3|bob|bot13|boty|bow31|br3ast|bug3r|bukak3|bung|busty|buxyx|c1t|caca|cahon3|cam31to3|carp3tmunch3r|cawk|c3rv1x|ch1nc|ch1nk|chod3|co1ta1|cockb1ock|cockho1st3r|cocknock3r|cocksmok3r|cocksuck3r|cock|condom|corksuck3r|crabs|cums1ut|cumshot|cumsta1n|cnt|cun1ngus|cuntfac3|cunthunt3r|cunt|d1ck|d1k3|d1do|d1mw1t|d1ng13|d1psh1p|dago|dam1t|damn1t|damn3d|damn|dawg13sty13|dog13sty13|dogysty13|dong|dop3y|douch3|drunk|dumb|dum|dumas|dumbas|dumy|dyk3|3jacu1at3|3n1arg3m3nt|3r3ct1on|3r3ct|3rot1c|3xtacy|3xtasy|f.ck|f1osy|f1st3d|f1st1ng|f1sty|fa1gt|fa1g|fack|fag1t|fag3d|fagot|fag|[sf]cuk|f31at1o|f31at3|f31ch1ng|f31ch3r|f31ch|f31tch3r|f31tch|foad|fobar|fond13|for3sk1n|fu.k|fudg3pack3r|[sf]uk|g1ans|g1go1o|ganja|ghay|gh3y|go1d3nshow3r|gonad|gr1ngo|h1t13r|handjob|hardon|hokah|hok3r|homo|honky|hor|hotch|hot3r|horny|hump1ng|hump3d|hump|hym3n|j1sm|j1s3d|j1sm|j1s|jackas|jackho13|jackof|j3rk3d|j3rkof|j3rk|junk13|junky|k1an|k1k3|k1nky|knob3nd|kyk3|mams|masa|mast3rba|masturba|max1|m3ns3s|m3nstruat|m[sf]uck1ng|mofo|moron|moth3rf|mthrf|muf|n1ga|n1ger|n1mrod|n1ny|n1p13|nak3d|napa1m|napy|nas1|n3gro|noky|nympho|op1at3|op1um|ora1y|ora1|org13s|organ|orgasm|orgy|ovary|ovum|p1owb1t3r|p1mp|p1nko|p1s3d|p1sof|p1s|pak1|pant13|panty|past13|pasty|p3ck3r|p3doph1|p3p3|p3n1a1|p3n13|p3n1s|p3n3trat1on|p3n3trat3|p3rv3rs1on|p3yot3|pha1c|phuck|po1ack|po1ock|pontang|pop|porno|porn|pr1ck|pr1g|pron|pub1|pub3|punkas|punky|pus1|pusy|puto|qu1cky|qu1ck13|qu1m|qu3af|qu3ro|qu3rs|qu3r|r1mjob|r1tard|racy|rap1st|rap3d|rap3r|rap3|raunch|r31ch|r3cta1|r3ctum|r3ctus|r3tard|r3tar|rtard|rumpram3r|rump|s1av3|s13as|s1ut|sack|sad1s|scag|sch1ong|sch1so|scr3w|scrog|scrot|scrud|scum|s3aman|s3am3n|s3duc3|s3m3n|s3xua1|sh1t|skag|skank|sm3gma|smut|sn1p3r|snatch|sodom|sp1ck|sp1c|sp1k|sp3rm|spunk|st3amy|stfu|ston3d|str1p|strok3|stup1d|suck|sumofab1atch|t1nk13|t1t[sf]uck|tampon|tard|t3abag1ng|t3at|t3st1|t3st3|t3urd|thrust|tramp|trans|trashy|twat|ug1y|unw3d|ur1n3a|ut3rus|vag1na|vu1gar|vu1va|w1g3r|wang|wank3r|wank|w31n3r|w31rdo|w3dg13|w3n13|w3tback|w3w3|wh1t3y|wh1s|whor3).*");
-    
+
     private boolean containsSwearing(String message, String level) {
-        
+
         if (level.equals("0")) {
             return false;
         }
         message = '.' + message + '.';
 
-        message = message.toLowerCase();
+        message = message.toLowerCase(Locale.ENGLISH);
         message = message.replaceAll("[a@]([s5][s5]+)", "axyx");
         message = message.replaceAll("b.([t\\+][t\\+]+)", "buxyx");
         message = message.replaceAll("(.)(\\1{1,})", "$1");
@@ -280,11 +281,11 @@ public class ChatPanelBasic extends javax.swing.JPanel {
         }
         if (messageType == MessageType.WHISPER_FROM) {
             if (username.equalsIgnoreCase(SessionHandler.getUserName())) {
-                if (message.toLowerCase().startsWith("profanity 0")) {
+                if (message.toLowerCase(Locale.ENGLISH).startsWith("profanity 0")) {
                     PreferencesDialog.saveValue(PreferencesDialog.KEY_GAME_USE_PROFANITY_FILTER, "0");
-                } else if (message.toLowerCase().startsWith("profanity 1")) {
+                } else if (message.toLowerCase(Locale.ENGLISH).startsWith("profanity 1")) {
                     PreferencesDialog.saveValue(PreferencesDialog.KEY_GAME_USE_PROFANITY_FILTER, "1");
-                } else if (message.toLowerCase().startsWith("profanity 2")) {
+                } else if (message.toLowerCase(Locale.ENGLISH).startsWith("profanity 2")) {
                     PreferencesDialog.saveValue(PreferencesDialog.KEY_GAME_USE_PROFANITY_FILTER, "2");
                 }
             }
@@ -435,7 +436,7 @@ public class ChatPanelBasic extends javax.swing.JPanel {
             this.txtMessage.repaint();
         }
     }
-    
+
     public void enableHyperlinks() {
         txtConversation.enableHyperlinks();
     }

Mage.Client/src/main/java/mage/client/components/ability/AbilityPicker.java

@@ -438,7 +438,7 @@ public class AbilityPicker extends JXPanel implements MouseWheelListener {
                 return choice;
             }
             choice = Jsoup.parse(choice).text(); // decode HTML entities and strip tags
-            return choice.substring(0, 1).toUpperCase() + choice.substring(1);
+            return choice.substring(0, 1).toUpperCase(Locale.ENGLISH) + choice.substring(1);
         }
 
         @Override

Mage.Client/src/main/java/mage/client/deck/generator/DeckGenerator.java

@@ -30,6 +30,7 @@ package mage.client.deck.generator;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import mage.cards.Card;
@@ -86,7 +87,7 @@ public final class DeckGenerator {
 
         String selectedColors = genDialog.getSelectedColors();
         List<ColoredManaSymbol> allowedColors = new ArrayList<>();
-        selectedColors = selectedColors != null ? selectedColors.toUpperCase() : getRandomColors("X");
+        selectedColors = selectedColors != null ? selectedColors.toUpperCase(Locale.ENGLISH) : getRandomColors("X");
         String format = genDialog.getSelectedFormat();
 
         List<String> setsToUse = ConstructedFormats.getSetsByFormat(format);

Mage.Client/src/main/java/mage/client/deck/generator/RatioAdjustingSliderPanel.java

@@ -25,13 +25,13 @@
  *  authors and should not be interpreted as representing official policies, either expressed
  *  or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.client.deck.generator;
 
-import javax.swing.*;
 import java.awt.*;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
+import javax.swing.*;
 
 /**
  * @author Simown
@@ -74,23 +74,24 @@ public class RatioAdjustingSliderPanel extends JPanel {
 
     }
 
-    private static class AdjustingSliderGroup
+    private static class AdjustingSliderGroup {
-    {
+
         private final ArrayList<JStorageSlider> storageSliders;
         private int sliderIndex = 0;
 
-        AdjustingSliderGroup(JStorageSlider... sliders)
+        AdjustingSliderGroup(JStorageSlider... sliders) {
-        {
             storageSliders = new ArrayList<>();
-            for(JStorageSlider slider: sliders) {
+            for (JStorageSlider slider : sliders) {
                 storageSliders.add(slider);
                 slider.addChangeListener(e -> fireSliderChangedEvent((JStorageSlider) e.getSource()));
             }
         }
+
         public void fireSliderChangedEvent(JStorageSlider source) {
             // We don't want to do anything if the value isn't changing
-            if(!source.getValueIsAdjusting())
+            if (!source.getValueIsAdjusting()) {
                 return;
+            }
             // Update the slider depending on how much it's changed relative to its previous position
             int change = (source.getValue() - source.getPreviousValue());
             updateSliderPosition(change, source);
@@ -98,11 +99,11 @@ public class RatioAdjustingSliderPanel extends JPanel {
 
         private void updateSliderPosition(int change, JStorageSlider source) {
             int remaining = change;
-            while (remaining != 0)  {
+            while (remaining != 0) {
                 // Get the currently indexed slider
                 JStorageSlider slider = storageSliders.get(sliderIndex);
                 // If it's not the slider that fired the event
-                if (slider != source)  {
+                if (slider != source) {
                     // Check we don't go over the upper and lower bounds
                     if (remaining < 0 || (remaining > 0 && slider.getValue() > 0)) {
                         // Adjust the currently selected slider by +/- 1
@@ -114,7 +115,7 @@ public class RatioAdjustingSliderPanel extends JPanel {
                 // Select the next slider in the list of sliders
                 sliderIndex = (sliderIndex + 1) % storageSliders.size();
             }
-            for (JStorageSlider slider : storageSliders)  {
+            for (JStorageSlider slider : storageSliders) {
                 slider.setPreviousValue(slider.getValue());
             }
         }
@@ -156,7 +157,7 @@ public class RatioAdjustingSliderPanel extends JPanel {
         textLabels.add(titleLabel);
         sliderPanel.add(titleLabel, BorderLayout.WEST);
         // Slider
-        slider.setToolTipText("Percentage of " + label.trim().toLowerCase() + " in the generated deck.");
+        slider.setToolTipText("Percentage of " + label.trim().toLowerCase(Locale.ENGLISH) + " in the generated deck.");
         sliderPanel.add(slider, BorderLayout.CENTER);
         // Percentage
         JLabel percentageLabel = createChangingPercentageLabel(slider);
@@ -166,7 +167,7 @@ public class RatioAdjustingSliderPanel extends JPanel {
         return sliderPanel;
     }
 
-    private static JLabel createChangingPercentageLabel(final JSlider slider)  {
+    private static JLabel createChangingPercentageLabel(final JSlider slider) {
 
         final JLabel label = new JLabel("      " + String.valueOf(slider.getValue()) + '%');
 
@@ -174,7 +175,7 @@ public class RatioAdjustingSliderPanel extends JPanel {
             String value = String.valueOf(slider.getValue());
             StringBuilder labelBuilder = new StringBuilder();
             // Pad with spaces so all percentage labels are of equal size
-            for(int i = 0; i < (5-value.length()); i++) {
+            for (int i = 0; i < (5 - value.length()); i++) {
                 labelBuilder.append("  ");
             }
             labelBuilder.append(value);
@@ -186,16 +187,16 @@ public class RatioAdjustingSliderPanel extends JPanel {
 
     @Override
     public void setEnabled(boolean enabled) {
-        for(JStorageSlider slider: sg.getSliders()) {
+        for (JStorageSlider slider : sg.getSliders()) {
             slider.setEnabled(enabled);
         }
-        for(JLabel label: textLabels) {
+        for (JLabel label : textLabels) {
             label.setEnabled(enabled);
         }
     }
 
     public void resetValues() {
-        for(JStorageSlider slider: sg.getSliders()) {
+        for (JStorageSlider slider : sg.getSliders()) {
             slider.resetDefault();
         }
     }
@@ -227,7 +228,4 @@ public class RatioAdjustingSliderPanel extends JPanel {
         landSlider.previousValue = percentage;
     }
 
-
-
-
 }

Mage.Client/src/main/java/mage/client/deckeditor/DeckEditorPanel.java

@@ -1125,7 +1125,7 @@ class DeckFilter extends FileFilter {
         int i = s.lastIndexOf('.');
 
         if (i > 0 && i < s.length() - 1) {
-            ext = s.substring(i + 1).toLowerCase();
+            ext = s.substring(i + 1).toLowerCase(Locale.ENGLISH);
         }
         return (ext == null) ? false : ext.equals("dck");
     }
@@ -1149,10 +1149,10 @@ class ImportFilter extends FileFilter {
         int i = s.lastIndexOf('.');
 
         if (i > 0 && i < s.length() - 1) {
-            ext = s.substring(i + 1).toLowerCase();
+            ext = s.substring(i + 1).toLowerCase(Locale.ENGLISH);
         }
         if (ext != null) {
-            if (ext.toLowerCase().equals("dec") || ext.toLowerCase().equals("mwdeck") || ext.toLowerCase().equals("txt") || ext.toLowerCase().equals("dek")) {
+            if (ext.toLowerCase(Locale.ENGLISH).equals("dec") || ext.toLowerCase(Locale.ENGLISH).equals("mwdeck") || ext.toLowerCase(Locale.ENGLISH).equals("txt") || ext.toLowerCase(Locale.ENGLISH).equals("dek")) {
                 return true;
             }
         }

Mage.Client/src/main/java/mage/client/deckeditor/collection/viewer/MageBook.java

@@ -37,6 +37,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Locale;
 import java.util.UUID;
 import javax.imageio.ImageIO;
 import javax.swing.*;
@@ -500,10 +501,10 @@ public class MageBook extends JComponent {
                     className = className.replaceAll("[^a-zA-Z0-9]", "");
                     className = "mage.game.permanent.token." + className + "Token";
                     if (token.getTokenClassName() != null && token.getTokenClassName().length() > 0) {
-                        if (token.getTokenClassName().toLowerCase().matches(".*token.*")) {
+                        if (token.getTokenClassName().toLowerCase(Locale.ENGLISH).matches(".*token.*")) {
                             className = token.getTokenClassName();
                             className = "mage.game.permanent.token." + className;
-                        } else if (token.getTokenClassName().toLowerCase().matches(".*emblem.*")) {
+                        } else if (token.getTokenClassName().toLowerCase(Locale.ENGLISH).matches(".*emblem.*")) {
                             continue;
                         }
                     }
@@ -541,7 +542,7 @@ public class MageBook extends JComponent {
                 try {
                     String className = emblem.getName();
                     if (emblem.getTokenClassName() != null && emblem.getTokenClassName().length() > 0) {
-                        if (emblem.getTokenClassName().toLowerCase().matches(".*emblem.*")) {
+                        if (emblem.getTokenClassName().toLowerCase(Locale.ENGLISH).matches(".*emblem.*")) {
                             className = emblem.getTokenClassName();
                             className = "mage.game.command.emblems." + className;
                         }

Mage.Client/src/main/java/mage/client/deckeditor/table/TableModel.java

@@ -44,7 +44,6 @@ import mage.view.CardsView;
 import org.apache.log4j.Logger;
 import org.jdesktop.swingx.JXPanel;
 import org.mage.card.arcane.ManaSymbols;
-import org.mage.card.arcane.UI;
 
 import javax.swing.*;
 import javax.swing.table.AbstractTableModel;

Mage.Client/src/main/java/mage/client/dialog/CardInfoWindowDialog.java

@@ -37,7 +37,6 @@ import java.awt.Dimension;
 import java.awt.Point;
 import java.beans.PropertyVetoException;
 import java.util.LinkedHashSet;
-import java.util.List;
 import java.util.Set;
 import java.util.UUID;
 import javax.swing.ImageIcon;

Mage.Client/src/main/java/mage/client/dialog/ConnectDialog.java

@@ -51,11 +51,9 @@ import java.net.URL;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
@@ -723,14 +721,14 @@ public class ConnectDialog extends MageDialog {
 
     }//GEN-LAST:event_btnFind2findPublicServerActionPerformed
 
-    private void connectXmageus(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_connecXmageusW
+    private void connectXmageus(java.awt.event.ActionEvent evt) {                                
         String serverAddress = "xmage.us";
         this.txtServer.setText(serverAddress);
         this.txtPort.setText("17171");
         // Update userName and password according to the chosen server.
         this.txtUserName.setText(MagePreferences.getUserName(serverAddress));
         this.txtPassword.setText(MagePreferences.getPassword(serverAddress));
-    }//GEN-LAST:event_connectXmageus
+    }                               
 
     private void btnFlagSearchActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnFlagSearchActionPerformed
         doFastFlagSearch();

Mage.Client/src/main/java/mage/client/dialog/FeedbackDialog.form

@@ -1,4 +1,4 @@
-<?xml version="1.1" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 
 <Form version="1.3" maxVersion="1.7" type="org.netbeans.modules.form.forminfo.JDialogFormInfo">
   <Properties>
@@ -7,6 +7,7 @@
   </Properties>
   <SyntheticProperties>
     <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
+    <SyntheticProperty name="generateCenter" type="boolean" value="false"/>
   </SyntheticProperties>
   <AuxValues>
     <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="0"/>

Mage.Client/src/main/java/mage/client/dialog/FeedbackDialog.java

@@ -24,15 +24,14 @@
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of BetaSteward_at_googlemail.com.
-*/
+ */
-
 package mage.client.dialog;
 
+import java.util.Locale;
+import javax.swing.*;
 import mage.client.SessionHandler;
 import org.apache.log4j.Logger;
 
-import javax.swing.*;
-
 /**
  * Feedback dialog.
  *
@@ -47,17 +46,19 @@ public class FeedbackDialog extends javax.swing.JDialog {
         "Thank you or \"Devs, you are so cool!\"",
         "Question or \"I'm so curious about\""};
 
-    /** Creates new form PreferencesDialog */
+    /**
+     * Creates new form PreferencesDialog
+     */
     public FeedbackDialog(java.awt.Frame parent, boolean modal) {
         super(parent, modal);
         initComponents();
         cbFeedbackType.setModel(new DefaultComboBoxModel(feedbackTypes));
     }
 
-    /** This method is called from within the constructor to
+    /**
-     * initialize the form.
+     * This method is called from within the constructor to initialize the form.
-     * WARNING: Do NOT modify this code. The content of this method is
+     * WARNING: Do NOT modify this code. The content of this method is always
-     * always regenerated by the Form Editor.
+     * regenerated by the Form Editor.
      */
     @SuppressWarnings("unchecked")
     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
@@ -259,16 +260,16 @@ public class FeedbackDialog extends javax.swing.JDialog {
         if (type == null || type.isEmpty()) {
             return "";
         }
-        if (type.toLowerCase().startsWith("bug")) {
+        if (type.toLowerCase(Locale.ENGLISH).startsWith("bug")) {
             return "bug";
         }
-        if (type.toLowerCase().startsWith("feature")) {
+        if (type.toLowerCase(Locale.ENGLISH).startsWith("feature")) {
             return "feature";
         }
-        if (type.toLowerCase().startsWith("thank")) {
+        if (type.toLowerCase(Locale.ENGLISH).startsWith("thank")) {
             return "thank";
         }
-        if (type.toLowerCase().startsWith("question")) {
+        if (type.toLowerCase(Locale.ENGLISH).startsWith("question")) {
             return "question";
         }
         return "";

Mage.Client/src/main/java/mage/client/dialog/NewTournamentDialog.java

@@ -39,6 +39,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.Locale;
 import java.util.UUID;
 import javax.swing.*;
 import javax.swing.filechooser.FileFilter;
@@ -1264,7 +1265,7 @@ class DeckFilter extends FileFilter {
         int i = s.lastIndexOf('.');
 
         if (i > 0 && i < s.length() - 1) {
-            ext = s.substring(i + 1).toLowerCase();
+            ext = s.substring(i + 1).toLowerCase(Locale.ENGLISH);
         }
         return (ext == null) ? false : ext.equals("dck");
     }

Mage.Client/src/main/java/mage/client/dialog/PickChoiceDialog.java

@@ -210,11 +210,11 @@ public class PickChoiceDialog extends MageDialog {
         // load data to datamodel after filter or on startup
         String filter = choice.getSearchText();
         if (filter == null){ filter = ""; }
-        filter = filter.toLowerCase();
+        filter = filter.toLowerCase(Locale.ENGLISH);
         
         this.dataModel.clear();
         for(KeyValueItem item: this.allItems){
-            if(!choice.isSearchEnabled() || item.Value.toLowerCase().contains(filter)){
+            if(!choice.isSearchEnabled() || item.Value.toLowerCase(Locale.ENGLISH).contains(filter)){
                 this.dataModel.addElement(item);
             }
         }

Mage.Client/src/main/java/mage/client/dialog/PickNumberDialog.java

@@ -35,8 +35,6 @@
 package mage.client.dialog;
 
 import java.awt.Point;
-import java.awt.event.ActionEvent;
-import java.awt.event.KeyAdapter;
 import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;
 import javax.swing.*;

Mage.Client/src/main/java/mage/client/dialog/PreferencesDialog.java

@@ -45,6 +45,7 @@ import java.io.File;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.prefs.BackingStoreException;
 import java.util.prefs.Preferences;
@@ -3492,7 +3493,7 @@ public class PreferencesDialog extends javax.swing.JDialog {
     }
 
     private static void loadProxySettings(Preferences prefs) {
-        dialog.cbProxyType.setSelectedItem(Connection.ProxyType.valueOf(MageFrame.getPreferences().get(KEY_PROXY_TYPE, "NONE").toUpperCase()));
+        dialog.cbProxyType.setSelectedItem(Connection.ProxyType.valueOf(MageFrame.getPreferences().get(KEY_PROXY_TYPE, "NONE").toUpperCase(Locale.ENGLISH)));
 
         load(prefs, dialog.txtProxyServer, KEY_PROXY_ADDRESS, Config.serverName);
         load(prefs, dialog.txtProxyPort, KEY_PROXY_PORT, Integer.toString(Config.port));

Mage.Client/src/main/java/mage/client/game/GamePanel.java

@@ -52,7 +52,6 @@ import mage.client.util.gui.ArrowBuilder;
 import mage.client.util.gui.MageDialogState;
 import mage.constants.*;
 import mage.game.events.PlayerQueryEvent;
-import mage.game.turn.Phase;
 import mage.view.*;
 import org.apache.log4j.Logger;
 import org.mage.card.arcane.CardPanel;

Mage.Client/src/main/java/mage/client/game/HelperPanel.java

@@ -45,7 +45,6 @@ import javax.swing.SwingUtilities;
 import javax.swing.ToolTipManager;
 import javax.swing.UIManager;
 import javax.swing.border.EmptyBorder;
-import javax.swing.border.LineBorder;
 
 import mage.client.SessionHandler;
 import mage.client.components.MageTextArea;

Mage.Client/src/main/java/mage/client/table/NewPlayerPanel.java

@@ -24,25 +24,24 @@
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of BetaSteward_at_googlemail.com.
-*/
+ */
 
-/*
+ /*
  * NewPlayerPanel.java
  *
  * Created on 15-Dec-2009, 10:09:46 PM
  */
-
 package mage.client.table;
 
+import java.io.File;
+import java.io.IOException;
+import java.util.Locale;
+import javax.swing.*;
+import javax.swing.filechooser.FileFilter;
 import mage.client.MageFrame;
 import mage.client.deck.generator.DeckGenerator;
 import mage.client.util.Config;
 
-import javax.swing.*;
-import javax.swing.filechooser.FileFilter;
-import java.io.File;
-import java.io.IOException;
-
 /**
  *
  * @author BetaSteward_at_googlemail.com
@@ -51,7 +50,9 @@ public class NewPlayerPanel extends javax.swing.JPanel {
 
     private final JFileChooser fcSelectDeck;
 
-    /** Creates new form NewPlayerPanel */
+    /**
+     * Creates new form NewPlayerPanel
+     */
     public NewPlayerPanel() {
         initComponents();
         fcSelectDeck = new JFileChooser();
@@ -86,7 +87,8 @@ public class NewPlayerPanel extends javax.swing.JPanel {
             this.txtPlayerDeck.setText(file.getPath());
             try {
                 MageFrame.getPreferences().put("lastDeckFolder", file.getCanonicalPath());
-            } catch (IOException ex) {    }
+            } catch (IOException ex) {
+            }
         }
         fcSelectDeck.setSelectedFile(null);
     }
@@ -111,9 +113,8 @@ public class NewPlayerPanel extends javax.swing.JPanel {
         this.txtPlayerDeck.setText(deckFile);
     }
 
-
     public int getLevel() {
-        return (Integer)spnLevel.getValue();
+        return (Integer) spnLevel.getValue();
     }
 
     public void showLevel(boolean show) {
@@ -128,10 +129,10 @@ public class NewPlayerPanel extends javax.swing.JPanel {
         this.btnPlayerDeck.setVisible(show);
     }
 
-    /** This method is called from within the constructor to
+    /**
-     * initialize the form.
+     * This method is called from within the constructor to initialize the form.
-     * WARNING: Do NOT modify this code. The content of this method is
+     * WARNING: Do NOT modify this code. The content of this method is always
-     * always regenerated by the Form Editor.
+     * regenerated by the Form Editor.
      */
     @SuppressWarnings("unchecked")
     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
@@ -211,7 +212,6 @@ public class NewPlayerPanel extends javax.swing.JPanel {
         generateDeck();
     }//GEN-LAST:event_btnGenerateActionPerformed
 
-
     // Variables declaration - do not modify//GEN-BEGIN:variables
     private javax.swing.JButton btnGenerate;
     private javax.swing.JButton btnPlayerDeck;
@@ -237,10 +237,10 @@ class DeckFilter extends FileFilter {
         String s = f.getName();
         int i = s.lastIndexOf('.');
 
-        if (i > 0 &&  i < s.length() - 1) {
+        if (i > 0 && i < s.length() - 1) {
-            ext = s.substring(i+1).toLowerCase();
+            ext = s.substring(i + 1).toLowerCase(Locale.ENGLISH);
         }
-        return (ext==null)?false:ext.equals("dck");
+        return (ext == null) ? false : ext.equals("dck");
     }
 
     @Override
@@ -248,4 +248,4 @@ class DeckFilter extends FileFilter {
         return "Deck Files";
     }
 
-}
+}

Mage.Client/src/main/java/mage/client/util/CardViewEDHPowerLevelComparator.java

@@ -28,6 +28,7 @@
 package mage.client.util;
 
 import java.util.Comparator;
+import java.util.Locale;
 import mage.view.CardView;
 
 /**
@@ -99,7 +100,7 @@ public class CardViewEDHPowerLevelComparator implements Comparator<CardView> {
         boolean whenYouCast = false;
 
         for (String str : card.getRules()) {
-            String s = str.toLowerCase();
+            String s = str.toLowerCase(Locale.ENGLISH);
             annihilator |= s.contains("annihilator");
             anyNumberOfTarget |= s.contains("any number");
             buyback |= s.contains("buyback");
@@ -332,16 +333,16 @@ public class CardViewEDHPowerLevelComparator implements Comparator<CardView> {
         }
 
         if (card.getCardTypes().contains("Plainswalker")) {
-            if (card.getName().toLowerCase().equals("jace, the mind sculptor")) {
+            if (card.getName().toLowerCase(Locale.ENGLISH).equals("jace, the mind sculptor")) {
                 thisMaxPower = Math.max(thisMaxPower, 6);
             }
-            if (card.getName().toLowerCase().equals("ugin, the spirit dragon")) {
+            if (card.getName().toLowerCase(Locale.ENGLISH).equals("ugin, the spirit dragon")) {
                 thisMaxPower = Math.max(thisMaxPower, 5);
             }
             thisMaxPower = Math.max(thisMaxPower, 4);
         }
 
-        String cn = card.getName().toLowerCase();
+        String cn = card.getName().toLowerCase(Locale.ENGLISH);
         if (cn.equals("ancient tomb")
                 || cn.equals("anafenza, the foremost")
                 || cn.equals("arcum dagsson")

Mage.Client/src/main/java/mage/client/util/DefaultActionCallback.java

@@ -1,6 +1,5 @@
 package mage.client.util;
 
-import java.awt.event.MouseEvent;
 import java.util.UUID;
 
 import mage.client.SessionHandler;

Mage.Client/src/main/java/mage/client/util/IgnoreList.java

@@ -1,13 +1,12 @@
 package mage.client.util;
 
 import com.google.common.collect.ImmutableSet;
+import java.util.Arrays;
+import java.util.Set;
 import mage.client.MageFrame;
 import mage.client.preference.MagePreferences;
 import mage.view.ChatMessage;
 
-import java.util.Arrays;
-import java.util.Set;
-
 public final class IgnoreList {
 
     private static final String USAGE = "<br/><font color=yellow>\\ignore - shows current ignore list on this server."
@@ -15,8 +14,8 @@ public final class IgnoreList {
             + "<br/>\\unignore [username] - remove a username from your ignore list on this server.</font>";
 
     public static final int MAX_IGNORE_LIST_SIZE = 50;
-    public static Set<ChatMessage.MessageType> IGNORED_MESSAGE_TYPES =
+    public static Set<ChatMessage.MessageType> IGNORED_MESSAGE_TYPES
-            ImmutableSet.of(ChatMessage.MessageType.TALK,
+            = ImmutableSet.of(ChatMessage.MessageType.TALK,
                     ChatMessage.MessageType.WHISPER_FROM);
 
     public static String usage() {
@@ -45,22 +44,13 @@ public final class IgnoreList {
         }
 
         if (userIsIgnored(serverAddress, user)) {
-            return new StringBuilder()
+            return user + " is already on your ignore list on " + serverAddress;
-                    .append(user)
-                    .append(" is already on your ignore list on ")
-                    .append(serverAddress)
-                    .toString();
         }
 
         MagePreferences.addIgnoredUser(serverAddress, user);
         updateTablesTable();
 
-        return new StringBuilder()
+        return "Added " + user + " to your ignore list on " + serverAddress;
-                .append("Added ")
-                .append(user)
-                .append(" to your ignore list on ")
-                .append(serverAddress)
-                .toString();
     }
 
     private static void updateTablesTable() {
@@ -76,19 +66,9 @@ public final class IgnoreList {
         }
         if (MagePreferences.removeIgnoredUser(serverAddress, user)) {
             updateTablesTable();
-            return new StringBuilder()
+            return "Removed " + user + " from your ignore list on " + serverAddress;
-                    .append("Removed ")
-                    .append(user)
-                    .append(" from your ignore list on ")
-                    .append(serverAddress)
-                    .toString();
         } else {
-            return new StringBuilder()
+            return "No such user \"" + user + "\" on your ignore list on " + serverAddress;
-                    .append("No such user \"")
-                    .append(user)
-                    .append("\" on your ignore list on ")
-                    .append(serverAddress)
-                    .toString();
         }
     }
 

Mage.Client/src/main/java/mage/client/util/audio/MusicPlayer.java

@@ -2,6 +2,7 @@ package mage.client.util.audio;
 
 import java.awt.List;
 import java.io.File;
+import java.util.Locale;
 import java.util.concurrent.TimeUnit;
 import javax.sound.sampled.*;
 import mage.client.constants.Constants;
@@ -38,7 +39,7 @@ public class MusicPlayer {
         }
         String filename;
         for (File f : fileread) {
-            filename = f.getName().toLowerCase();
+            filename = f.getName().toLowerCase(Locale.ENGLISH);
             if (filename.endsWith(".mp3") || filename.endsWith(".wav")) {
                 filelist.add(filename);
             }

Mage.Client/src/main/java/mage/client/util/gui/ColorsChooser.java

@@ -6,6 +6,7 @@ import java.awt.FlowLayout;
 import java.awt.Image;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 import javax.swing.DefaultComboBoxModel;
 import javax.swing.ImageIcon;
 import javax.swing.JComboBox;
@@ -77,7 +78,7 @@ public class ColorsChooser extends JComboBox implements ListCellRenderer {
 
     private void drawOn(JPanel panel, String value) {
         List<Image> images = new ArrayList<>();
-        value = value.toUpperCase();
+        value = value.toUpperCase(Locale.ENGLISH);
         for (int i = 0; i < value.length(); i++) {
             char symbol = value.charAt(i);
             Image image = ManaSymbols.getSizedManaSymbol(String.valueOf(symbol));

Mage.Client/src/main/java/mage/client/util/gui/GuiDisplayUtil.java

@@ -2,6 +2,7 @@ package mage.client.util.gui;
 
 import java.awt.*;
 import java.util.ArrayList;
+import java.util.Locale;
 import javax.swing.*;
 import mage.client.MageFrame;
 import mage.client.util.GUISizeHelper;
@@ -65,7 +66,7 @@ public final class GuiDisplayUtil {
                 out.append(c);
             }
         }
-        return out.toString().toLowerCase();
+        return out.toString().toLowerCase(Locale.ENGLISH);
     }
 
     public static void keepComponentInsideScreen(int centerX, int centerY, Component component) {
@@ -256,7 +257,7 @@ public final class GuiDisplayUtil {
             rarity = card.getRarity().getCode();
         }
         if (card.getExpansionSetCode() != null) {
-            buffer.append(ManaSymbols.replaceSetCodeWithHTML(card.getExpansionSetCode().toUpperCase(), rarity, GUISizeHelper.symbolTooltipSize));
+            buffer.append(ManaSymbols.replaceSetCodeWithHTML(card.getExpansionSetCode().toUpperCase(Locale.ENGLISH), rarity, GUISizeHelper.symbolTooltipSize));
         }
         buffer.append("</td></tr></table>");
 

Mage.Client/src/main/java/org/mage/card/arcane/CardPanelRenderImpl.java

@@ -9,16 +9,13 @@ import mage.view.CardView;
 import mage.view.CounterView;
 import mage.view.PermanentView;
 import mage.view.StackAbilityView;
-import net.java.truevfs.access.TFile;
 import org.apache.log4j.Logger;
 import org.jdesktop.swingx.graphics.GraphicsUtilities;
-import org.mage.plugins.card.dl.sources.DirectLinksForDownload;
 import org.mage.plugins.card.images.ImageCache;
 import mage.client.constants.Constants;
 
 import java.awt.*;
 import java.awt.image.BufferedImage;
-import java.io.File;
 import java.util.Map;
 import java.util.UUID;
 

Mage.Client/src/main/java/org/mage/card/arcane/CardRenderer.java

@@ -396,7 +396,7 @@ public abstract class CardRenderer {
             /*
             // Just draw the as a code
             String code = cardView.getExpansionSetCode();
-            code = (code != null) ? code.toUpperCase() : "";
+            code = (code != null) ? code.toUpperCase(Locale.ENGLISH) : "";
             FontMetrics metrics = g.getFontMetrics();
             setSymbolWidth = metrics.stringWidth(code);
             if (cardView.getRarity() == Rarity.COMMON) {

Mage.Client/src/main/java/org/mage/card/arcane/TextboxRuleParser.java

@@ -13,7 +13,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import mage.view.CardView;
 import org.apache.log4j.Logger;
-import org.apache.log4j.jmx.LoggerDynamicMBean;
 
 /**
  *

Mage.Client/src/main/java/org/mage/card/arcane/Util.java

@@ -7,6 +7,7 @@ import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.util.Collections;
 import java.util.Enumeration;
+import java.util.Locale;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.ThreadPoolExecutor;
@@ -16,8 +17,8 @@ import javax.swing.SwingUtilities;
 @SuppressWarnings({"rawtypes", "unchecked"})
 public final class Util {
 
-    public static final boolean isMac = System.getProperty("os.name").toLowerCase().contains("mac");
+    public static final boolean isMac = System.getProperty("os.name").toLowerCase(Locale.ENGLISH).contains("mac");
-    public static final boolean isWindows = !System.getProperty("os.name").toLowerCase().contains("windows");
+    public static final boolean isWindows = !System.getProperty("os.name").toLowerCase(Locale.ENGLISH).contains("windows");
 
     public static final ThreadPoolExecutor threadPool;
     static private int threadCount;

Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/MagicCardsImageSource.java

@@ -3,6 +3,7 @@ package org.mage.plugins.card.dl.sources;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashSet;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import mage.client.dialog.PreferencesDialog;
@@ -368,7 +369,7 @@ public enum MagicCardsImageSource implements CardImageSource {
         String preferedLanguage = PreferencesDialog.getCachedValue(PreferencesDialog.KEY_CARD_IMAGES_PREF_LANGUAGE, "en");
 
         StringBuilder url = new StringBuilder("http://magiccards.info/scans/").append(preferedLanguage).append('/');
-        url.append(set.toLowerCase()).append('/').append(collectorId);
+        url.append(set.toLowerCase(Locale.ENGLISH)).append('/').append(collectorId);
 
         if (card.isTwoFacedCard()) {
             url.append(card.isSecondSide() ? "b" : "a");
@@ -395,7 +396,7 @@ public enum MagicCardsImageSource implements CardImageSource {
         if (card.getType() > 0) {
             name = name + ' ' + card.getType();
         }
-        name = name.replaceAll(" ", "-").replace(",", "").toLowerCase();
+        name = name.replaceAll(" ", "-").replace(",", "").toLowerCase(Locale.ENGLISH);
         String set = "not-supported-set";
         if (setNameTokenReplacement.containsKey(card.getSet())) {
             set = setNameTokenReplacement.get(card.getSet());

Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/MagidexImageSource.java

@@ -31,6 +31,7 @@ import java.net.URI;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashSet;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import org.mage.plugins.card.images.CardDownloadData;
@@ -257,7 +258,7 @@ public enum MagidexImageSource implements CardImageSource {
 
     @Override
     public String generateURL(CardDownloadData card) throws Exception {
-        String cardDownloadName = card.getDownloadName().toLowerCase();
+        String cardDownloadName = card.getDownloadName().toLowerCase(Locale.ENGLISH);
         String cardSet = card.getSet();
 
         if (cardDownloadName == null || cardSet == null) {

Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/MtgImageSource.java

@@ -24,35 +24,34 @@
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of BetaSteward_at_googlemail.com.
-*/
+ */
-
 package org.mage.plugins.card.dl.sources;
 
+import java.util.Locale;
 import org.mage.plugins.card.images.CardDownloadData;
 
 /**
  * Site was shutdown by wizards Feb. 2015
- * 
+ *
- * 
+ *
- * 
+ *
- * 
+ *
  * @author LevelX2
  */
+public enum MtgImageSource implements CardImageSource {
 
-public enum  MtgImageSource implements CardImageSource {
+    instance;
-
-   instance;
 
     @Override
     public String getSourceName() {
         return "mtgimage.com";
     }
-    
+
     @Override
     public String getNextHttpImageUrl() {
         return null;
     }
-    
+
     @Override
     public String getFileForHttpImage(String httpImageUrl) {
         return null;
@@ -66,9 +65,9 @@ public enum  MtgImageSource implements CardImageSource {
             throw new Exception("Wrong parameters for image: collector id: " + collectorId + ",card set: " + cardSet);
         }
         StringBuilder url = new StringBuilder("http://mtgimage.com/set/");
-            url.append(cardSet.toUpperCase()).append('/');
+        url.append(cardSet.toUpperCase(Locale.ENGLISH)).append('/');
 
-        if (card.isSplitCard()) {            
+        if (card.isSplitCard()) {
             url.append(card.getDownloadName().replaceAll(" // ", ""));
         } else {
             url.append(card.getDownloadName().replaceAll(" ", "%20"));
@@ -98,12 +97,12 @@ public enum  MtgImageSource implements CardImageSource {
     public float getAverageSize() {
         return 70.0f;
     }
-    
+
     @Override
     public int getTotalImages() {
         return -1;
     }
-    
+
     @Override
     public boolean isTokenSource() {
         return false;
@@ -112,4 +111,4 @@ public enum  MtgImageSource implements CardImageSource {
     @Override
     public void doPause(String httpImageUrl) {
     }
-}
+}

Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/MythicspoilerComSource.java

@@ -40,6 +40,7 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.prefs.Preferences;
@@ -317,13 +318,13 @@ public enum MythicspoilerComSource implements CardImageSource {
     private Map<String, String> getSetLinks(String cardSet) {
         Map<String, String> setLinks = new HashMap<>();
         try {
-            String setNames = setsAliases.get(cardSet.toLowerCase());
+            String setNames = setsAliases.get(cardSet.toLowerCase(Locale.ENGLISH));
             Set<String> aliasesStart = new HashSet<>();
             if (cardNameAliasesStart.containsKey(cardSet)) {
                 aliasesStart.addAll(cardNameAliasesStart.get(cardSet));
             }
             if (setNames == null) {
-                setNames = cardSet.toLowerCase();
+                setNames = cardSet.toLowerCase(Locale.ENGLISH);
             }
             Preferences prefs = MageFrame.getPreferences();
             Connection.ProxyType proxyType = Connection.ProxyType.valueByText(prefs.get("proxyType", "None"));
@@ -423,7 +424,7 @@ public enum MythicspoilerComSource implements CardImageSource {
             return null;
         }
         Map<String, String> setLinks = sets.computeIfAbsent(cardSet, k -> getSetLinks(cardSet));
-        String searchName = card.getDownloadName().toLowerCase()
+        String searchName = card.getDownloadName().toLowerCase(Locale.ENGLISH)
                 .replaceAll(" ", "")
                 .replaceAll("\\.", "")
                 .replaceAll("&", "and")

Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallImageSource.java

@@ -3,6 +3,7 @@ package org.mage.plugins.card.dl.sources;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashSet;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import org.mage.plugins.card.images.CardDownloadData;
@@ -280,7 +281,7 @@ public enum ScryfallImageSource implements CardImageSource {
         if (setNameReplacement.containsKey(setName)) {
             setName = setNameReplacement.get(setName);
         }
-        return setName.toLowerCase();
+        return setName.toLowerCase(Locale.ENGLISH);
     }
 
     private static final Map<String, String> setNameReplacement = new HashMap<String, String>() {

Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/TokensMtgImageSource.java

@@ -38,6 +38,7 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.logging.Level;
@@ -97,7 +98,7 @@ public enum TokensMtgImageSource implements CardImageSource {
     private String getEmblemName(String originalName) {
 
         for (SubType subType : SubType.getPlaneswalkerTypes(true)) {
-            if (originalName.toLowerCase().contains(subType.toString().toLowerCase())) {
+            if (originalName.toLowerCase(Locale.ENGLISH).contains(subType.toString().toLowerCase(Locale.ENGLISH))) {
                 return subType.getDescription() + " Emblem";
             }
         }
@@ -111,13 +112,13 @@ public enum TokensMtgImageSource implements CardImageSource {
         int type = card.getType();
 
         // handle emblems
-        if (name.toLowerCase().contains("emblem")) {
+        if (name.toLowerCase(Locale.ENGLISH).contains("emblem")) {
             name = getEmblemName(name);
         }
 
         // we should replace some set names
-        if (SET_NAMES_REPLACEMENT.containsKey(set.toLowerCase())) {
+        if (SET_NAMES_REPLACEMENT.containsKey(set.toLowerCase(Locale.ENGLISH))) {
-            set = SET_NAMES_REPLACEMENT.get(set.toLowerCase());
+            set = SET_NAMES_REPLACEMENT.get(set.toLowerCase(Locale.ENGLISH));
         }
 
         // Image URL contains token number
@@ -187,7 +188,7 @@ public enum TokensMtgImageSource implements CardImageSource {
     @Override
     public boolean isImageProvided(String setCode, String cardName) {
         String searchName = cardName;
-        if (cardName.toLowerCase().contains("emblem")) {
+        if (cardName.toLowerCase(Locale.ENGLISH).contains("emblem")) {
             searchName = getEmblemName(cardName);
         }
         try {

Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/WizardCardsImageSource.java

@@ -39,6 +39,7 @@ import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ExecutorService;
@@ -493,7 +494,7 @@ public enum WizardCardsImageSource implements CardImageSource {
         if (setLinks == null || setLinks.isEmpty()) {
             return null;
         }
-        String searchKey = card.getDownloadName().toLowerCase().replace(" ", "").replace("&", "//");
+        String searchKey = card.getDownloadName().toLowerCase(Locale.ENGLISH).replace(" ", "").replace("&", "//");
         String link = setLinks.get(searchKey);
         if (link == null) {
             int length = collectorId.length();
@@ -576,7 +577,7 @@ public enum WizardCardsImageSource implements CardImageSource {
                                     }
                                 }
                                 Integer preferedMultiverseId = getLocalizedMultiverseId(preferedLanguage, multiverseId);
-                                setLinks.put(cardName.toLowerCase() + numberChar, generateLink(preferedMultiverseId));
+                                setLinks.put(cardName.toLowerCase(Locale.ENGLISH) + numberChar, generateLink(preferedMultiverseId));
                             }
                         }
                     }
@@ -652,11 +653,11 @@ public enum WizardCardsImageSource implements CardImageSource {
                     }
                 }
                 Integer landMultiverseId = Integer.parseInt(variation.attr("href").replaceAll("[^\\d]", ""));
-                setLinks.put((cardName).toLowerCase() + colNumb, generateLink(landMultiverseId));
+                setLinks.put((cardName).toLowerCase(Locale.ENGLISH) + colNumb, generateLink(landMultiverseId));
                 iteration++;
             }
         } else {
-            setLinks.put(cardName.toLowerCase(), generateLink(multiverseId));
+            setLinks.put(cardName.toLowerCase(Locale.ENGLISH), generateLink(multiverseId));
         }
     }
 
@@ -758,7 +759,7 @@ public enum WizardCardsImageSource implements CardImageSource {
 //                    setLinks.putAll(getLandVariations(multiverseId, cardName));
 //                } else {
 //                    Integer preferedMultiverseId = getLocalizedMultiverseId(preferedLanguage, multiverseId);
-//                    setLinks.put(cardName.toLowerCase(), generateLink(preferedMultiverseId));
+//                    setLinks.put(cardName.toLowerCase(Locale.ENGLISH), generateLink(preferedMultiverseId));
 //                }
 //            } catch (IOException | NumberFormatException ex) {
 //                logger.error("Exception when parsing the wizards page: " + ex.getMessage());

Mage.Client/src/main/java/org/mage/plugins/card/images/CardDownloadData.java

@@ -1,8 +1,8 @@
 package org.mage.plugins.card.images;
 
-import mage.util.CardUtil;
+import java.util.Locale;
-
 import java.util.Objects;
+import mage.util.CardUtil;
 
 /**
  *
@@ -134,7 +134,7 @@ public class CardDownloadData {
         return CardUtil.parseCardNumberAsInt(collectorId);
     }
 
-    public boolean isCollectorIdWithStr(){
+    public boolean isCollectorIdWithStr() {
         // card have special numbers like "103a", "180b" (scryfall style)
         return !getCollectorId().equals(getCollectorIdAsInt().toString());
     }
@@ -190,7 +190,7 @@ public class CardDownloadData {
     private String lastDitchTokenDescriptor() {
         String tmpName = this.name.replaceAll("[^a-zA-Z0-9]", "");
         String descriptor = tmpName + "....";
-        descriptor = descriptor.toUpperCase();
+        descriptor = descriptor.toUpperCase(Locale.ENGLISH);
         return descriptor;
     }
 

Mage.Client/src/main/java/org/mage/plugins/card/images/DownloadPictures.java

@@ -9,6 +9,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -504,23 +505,23 @@ public class DownloadPictures extends DefaultBoundedRangeModel implements Runnab
                             tokenClassName = params[6].trim();
                         }
 
-                        if (params[1].toLowerCase().equals("generate") && params[2].startsWith("TOK:")) {
+                        if (params[1].toLowerCase(Locale.ENGLISH).equals("generate") && params[2].startsWith("TOK:")) {
                             String set = params[2].substring(4);
                             CardDownloadData card = new CardDownloadData(params[3], set, "0", false, type, "", "", true);
                             card.setTokenClassName(tokenClassName);
                             list.add(card);
                             // logger.debug("Token: " + set + "/" + card.getName() + " type: " + type);
-                        } else if (params[1].toLowerCase().equals("generate") && params[2].startsWith("EMBLEM:")) {
+                        } else if (params[1].toLowerCase(Locale.ENGLISH).equals("generate") && params[2].startsWith("EMBLEM:")) {
                             String set = params[2].substring(7);
                             CardDownloadData card = new CardDownloadData("Emblem " + params[3], set, "0", false, type, "", "", true, fileName);
                             card.setTokenClassName(tokenClassName);
                             list.add(card);
-                        } else if (params[1].toLowerCase().equals("generate") && params[2].startsWith("EMBLEM-:")) {
+                        } else if (params[1].toLowerCase(Locale.ENGLISH).equals("generate") && params[2].startsWith("EMBLEM-:")) {
                             String set = params[2].substring(8);
                             CardDownloadData card = new CardDownloadData(params[3] + " Emblem", set, "0", false, type, "", "", true, fileName);
                             card.setTokenClassName(tokenClassName);
                             list.add(card);
-                        } else if (params[1].toLowerCase().equals("generate") && params[2].startsWith("EMBLEM!:")) {
+                        } else if (params[1].toLowerCase(Locale.ENGLISH).equals("generate") && params[2].startsWith("EMBLEM!:")) {
                             String set = params[2].substring(8);
                             CardDownloadData card = new CardDownloadData(params[3], set, "0", false, type, "", "", true, fileName);
                             card.setTokenClassName(tokenClassName);

Mage.Client/src/main/java/org/mage/plugins/card/utils/CardImageUtils.java

@@ -4,6 +4,7 @@ import java.io.File;
 import java.net.InetSocketAddress;
 import java.net.Proxy;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.prefs.Preferences;
 import mage.client.MageFrame;
 import mage.client.constants.Constants;
@@ -116,7 +117,7 @@ public final class CardImageUtils {
     }
 
     public static String updateSet(String cardSet, boolean forUrl) {
-        String set = cardSet.toLowerCase();
+        String set = cardSet.toLowerCase(Locale.ENGLISH);
         if (set.equals("con")) {
             set = "cfx";
         }
@@ -172,7 +173,7 @@ public final class CardImageUtils {
             throw new IllegalArgumentException("Card " + card.getName() + " have empty set.");
         }
 
-        String set = updateSet(card.getSet(), false).toUpperCase(); // TODO: research auto-replace... old code?
+        String set = updateSet(card.getSet(), false).toUpperCase(Locale.ENGLISH); // TODO: research auto-replace... old code?
 
         if (card.isToken()) {
             return buildImagePathToSetAsToken(set);
@@ -236,7 +237,7 @@ public final class CardImageUtils {
             if (dirFile.exists() && !imageFile.exists()) {
                 // search like names
                 for (String fileName : dirFile.list()) {
-                    if (fileName.toLowerCase().equals(finalFileName.toLowerCase())) {
+                    if (fileName.toLowerCase(Locale.ENGLISH).equals(finalFileName.toLowerCase(Locale.ENGLISH))) {
                         finalFileName = fileName;
                         break;
                     }

Mage.Client/src/main/java/org/mage/plugins/card/utils/impl/ImageManagerImpl.java

@@ -11,6 +11,7 @@ import java.awt.image.FilteredImageSource;
 import java.awt.image.WritableRaster;
 import java.net.URL;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 import javax.imageio.ImageIO;
 import mage.client.util.gui.BufferedImageBuilder;
@@ -20,18 +21,17 @@ import org.mage.plugins.card.utils.Transparency;
 public enum ImageManagerImpl implements ImageManager {
     instance;
 
-    
     ImageManagerImpl() {
         init();
     }
 
     public void init() {
         String[] phases = {"Untap", "Upkeep", "Draw", "Main1",
-                "Combat_Start", "Combat_Attack", "Combat_Block", "Combat_Damage", "Combat_End",
+            "Combat_Start", "Combat_Attack", "Combat_Block", "Combat_Damage", "Combat_End",
-                "Main2", "Cleanup", "Next_Turn"};
+            "Main2", "Cleanup", "Next_Turn"};
         phasesImages = new HashMap<>();
         for (String name : phases) {
-            Image image = getImageFromResource("/phases/phase_" + name.toLowerCase() + ".png", new Rectangle(36, 36));
+            Image image = getImageFromResource("/phases/phase_" + name.toLowerCase(Locale.ENGLISH) + ".png", new Rectangle(36, 36));
             phasesImages.put(name, image);
         }
     }
@@ -339,10 +339,10 @@ public enum ImageManagerImpl implements ImageManager {
         }
         return imageSkipYourNextTurnButton;
     }
-    
+
     @Override
     public Image getToggleRecordMacroButtonImage() {
-        if(imageToggleRecordMacroButton == null) {
+        if (imageToggleRecordMacroButton == null) {
             imageToggleRecordMacroButton = getBufferedImageFromResource("/buttons/toggle_macro.png");
         }
         return imageToggleRecordMacroButton;
@@ -414,7 +414,7 @@ public enum ImageManagerImpl implements ImageManager {
     private static BufferedImage triggeredAbilityIcon;
     private static BufferedImage activatedAbilityIcon;
     private static BufferedImage lookedAtIcon;
-    private static BufferedImage revealedIcon;    
+    private static BufferedImage revealedIcon;
     private static BufferedImage exileIcon;
     private static BufferedImage imageCopyIcon;
     private static BufferedImage imageCounterGreen;

Mage.Client/src/main/java/org/mage/plugins/theme/ThemePluginImpl.java

@@ -3,6 +3,7 @@ package org.mage.plugins.theme;
 import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.*;
+import java.util.Locale;
 import java.util.Map;
 import javax.imageio.ImageIO;
 import javax.swing.*;
@@ -49,7 +50,7 @@ public class ThemePluginImpl implements ThemePlugin {
             return false;
         }
         for (File f : filelist) {
-            String filename = f.getName().toLowerCase();
+            String filename = f.getName().toLowerCase(Locale.ENGLISH);
             if (filename != null && (filename.endsWith(".png") || filename.endsWith(".jpg")
                     || filename.endsWith(".bmp"))) {
                 flist.add(filename);

Mage.Common/src/main/java/mage/view/CardView.java

@@ -988,7 +988,7 @@ public class CardView extends SimpleCardView {
     public String getColorText() {
 
         String color = getColor().getDescription();
-        return color.substring(0, 1).toUpperCase() + color.substring(1);
+        return color.substring(0, 1).toUpperCase(Locale.ENGLISH) + color.substring(1);
     }
 
     public String getTypeText() {

Mage.Server.Console/src/main/java/mage/server/console/ConnectDialog.java

@@ -24,21 +24,15 @@
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of BetaSteward_at_googlemail.com.
-*/
+ */
 
-/*
+ /*
  * ConnectDialog.java
  *
  * Created on 20-Jan-2010, 9:37:07 PM
  */
-
 package mage.server.console;
 
-import mage.remote.Connection;
-import mage.remote.Connection.ProxyType;
-import org.apache.log4j.Logger;
-
-import javax.swing.*;
 import java.awt.*;
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
@@ -46,8 +40,13 @@ import java.net.URL;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Locale;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
+import javax.swing.*;
+import mage.remote.Connection;
+import mage.remote.Connection.ProxyType;
+import org.apache.log4j.Logger;
 
 /**
  *
@@ -60,9 +59,11 @@ public class ConnectDialog extends JDialog {
     private Connection connection;
     private ConnectTask task;
 
-    /** Creates new form ConnectDialog */
+    /**
+     * Creates new form ConnectDialog
+     */
     public ConnectDialog() {
-       initComponents();
+        initComponents();
         cbProxyType.setModel(new DefaultComboBoxModel(Connection.ProxyType.values()));
     }
 
@@ -73,7 +74,7 @@ public class ConnectDialog extends JDialog {
         this.chkAutoConnect.setSelected(Boolean.parseBoolean(ConsoleFrame.getPreferences().get("autoConnect", "false")));
         this.txtProxyServer.setText(ConsoleFrame.getPreferences().get("proxyAddress", "localhost"));
         this.txtProxyPort.setText(ConsoleFrame.getPreferences().get("proxyPort", Integer.toString(17171)));
-        this.cbProxyType.setSelectedItem(Connection.ProxyType.valueOf(ConsoleFrame.getPreferences().get("proxyType", "NONE").toUpperCase()));
+        this.cbProxyType.setSelectedItem(Connection.ProxyType.valueOf(ConsoleFrame.getPreferences().get("proxyType", "NONE").toUpperCase(Locale.ENGLISH)));
         this.txtProxyUserName.setText(ConsoleFrame.getPreferences().get("proxyUsername", ""));
         this.txtPasswordField.setText(ConsoleFrame.getPreferences().get("proxyPassword", ""));
         this.showProxySettings();
@@ -87,13 +88,11 @@ public class ConnectDialog extends JDialog {
             this.pnlProxy.setVisible(true);
             this.pnlProxyAuth.setVisible(false);
             this.pnlProxySettings.setVisible(true);
-        }
+        } else if (cbProxyType.getSelectedItem() == Connection.ProxyType.HTTP) {
-        else if (cbProxyType.getSelectedItem() == Connection.ProxyType.HTTP) {
             this.pnlProxy.setVisible(true);
             this.pnlProxyAuth.setVisible(true);
             this.pnlProxySettings.setVisible(true);
-        }
+        } else if (cbProxyType.getSelectedItem() == Connection.ProxyType.NONE) {
-        else if (cbProxyType.getSelectedItem() == Connection.ProxyType.NONE) {
             this.pnlProxy.setVisible(false);
             this.pnlProxyAuth.setVisible(false);
             this.pnlProxySettings.setVisible(false);
@@ -115,10 +114,10 @@ public class ConnectDialog extends JDialog {
         Arrays.fill(input, '0');
     }
 
-    /** This method is called from within the constructor to
+    /**
-     * initialize the form.
+     * This method is called from within the constructor to initialize the form.
-     * WARNING: Do NOT modify this code. The content of this method is
+     * WARNING: Do NOT modify this code. The content of this method is always
-     * always regenerated by the Form Editor.
+     * regenerated by the Form Editor.
      */
     @SuppressWarnings("unchecked")
     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
@@ -377,7 +376,7 @@ public class ConnectDialog extends JDialog {
             JOptionPane.showMessageDialog(rootPane, "Please provide a port number");
             return;
         }
-        if (Integer.valueOf(txtPort.getText()) < 1 || Integer.valueOf(txtPort.getText()) > 65535 ) {
+        if (Integer.valueOf(txtPort.getText()) < 1 || Integer.valueOf(txtPort.getText()) > 65535) {
             JOptionPane.showMessageDialog(rootPane, "Invalid port number");
             txtPort.setText(ConsoleFrame.getPreferences().get("serverPort", Integer.toString(17171)));
             return;
@@ -424,15 +423,15 @@ public class ConnectDialog extends JDialog {
                 if (result) {
                     lblStatus.setText("");
                     connected();
-                }
+                } else {
-                else {
                     lblStatus.setText("Could not connect");
                 }
             } catch (InterruptedException ex) {
                 logger.fatal("Update Players Task error", ex);
             } catch (ExecutionException ex) {
                 logger.fatal("Update Players Task error", ex);
-            } catch (CancellationException ex) {}
+            } catch (CancellationException ex) {
+            }
         }
     }
 
@@ -441,7 +440,6 @@ public class ConnectDialog extends JDialog {
         this.setVisible(false);
     }
 
-
     private void keyTyped(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_keyTyped
         char c = evt.getKeyChar();
         if (!Character.isDigit(c)) {
@@ -467,7 +465,7 @@ public class ConnectDialog extends JDialog {
             List<String> servers = new ArrayList<>();
             String inputLine;
             while ((inputLine = in.readLine()) != null) {
-                System.out.println("Found server: "+inputLine);
+                System.out.println("Found server: " + inputLine);
                 servers.add(inputLine);
             }
 
@@ -491,11 +489,14 @@ public class ConnectDialog extends JDialog {
             }
 
             in.close();
-        } catch(Exception ex) {
+        } catch (Exception ex) {
-            logger.error(ex,ex);
+            logger.error(ex, ex);
         } finally {
             if (in != null) {
-                try { in.close(); } catch (Exception e) {}
+                try {
+                    in.close();
+                } catch (Exception e) {
+                }
             }
         }
     }//GEN-LAST:event_jButton1ActionPerformed
@@ -505,10 +506,9 @@ public class ConnectDialog extends JDialog {
     }//GEN-LAST:event_cbProxyTypeActionPerformed
 
         private void txtPasswordFieldActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_txtPasswordFieldActionPerformed
-            // TODO add your handling code here:
+        // TODO add your handling code here:
         }//GEN-LAST:event_txtPasswordFieldActionPerformed
 
-
     // Variables declaration - do not modify//GEN-BEGIN:variables
     private javax.swing.JButton btnCancel;
     private javax.swing.JButton btnConnect;

Mage.Server.Console/src/main/java/mage/server/console/ConsolePanel.java

@@ -608,7 +608,7 @@ class UpdateUsersTask extends SwingWorker<Void, List<UserView>> {
             if (!panel.getjUserName().getText().equals("")) {
                 List<UserView> users2 = new ArrayList<>();
                 for (UserView user : users) {
-                    if (user.getUserName().toUpperCase().matches(".*" + panel.getjUserName().getText().toUpperCase() + ".*")) {
+                    if (user.getUserName().toUpperCase(Locale.ENGLISH).matches(".*" + panel.getjUserName().getText().toUpperCase(Locale.ENGLISH) + ".*")) {
                         users2.add(user);
                     }
                 }
@@ -697,7 +697,7 @@ class UpdateTablesTask extends SwingWorker<Void, Collection<TableView>> {
             if (!panel.getjUserName().getText().equals("")) {
                 Collection<TableView> tableViews2 = new ArrayList<>();
                 for (TableView table : tableViews) {
-                    if (table.getControllerName().toUpperCase().matches(".*" + panel.getjUserName().getText().toUpperCase() + ".*")) {
+                    if (table.getControllerName().toUpperCase(Locale.ENGLISH).matches(".*" + panel.getjUserName().getText().toUpperCase(Locale.ENGLISH) + ".*")) {
                         tableViews2.add(table);
                     }
                 }

Mage.Server.Plugins/Mage.Deck.Constructed/src/mage/deck/Commander.java

@@ -275,7 +275,7 @@ public class Commander extends Constructed {
             boolean whenYouCast = false;
 
             for (String str : card.getRules()) {
-                String s = str.toLowerCase();
+                String s = str.toLowerCase(Locale.ENGLISH);
                 annihilator |= s.contains("annihilator");
                 anyNumberOfTarget |= s.contains("any number");
                 buyback |= s.contains("buyback");
@@ -521,16 +521,16 @@ public class Commander extends Constructed {
             }
 
             if (card.isPlaneswalker()) {
-                if (card.getName().toLowerCase().equals("jace, the mind sculptor")) {
+                if (card.getName().toLowerCase(Locale.ENGLISH).equals("jace, the mind sculptor")) {
                     thisMaxPower = Math.max(thisMaxPower, 6);
                 }
-                if (card.getName().toLowerCase().equals("ugin, the spirit dragon")) {
+                if (card.getName().toLowerCase(Locale.ENGLISH).equals("ugin, the spirit dragon")) {
                     thisMaxPower = Math.max(thisMaxPower, 5);
                 }
                 thisMaxPower = Math.max(thisMaxPower, 4);
             }
 
-            String cn = card.getName().toLowerCase();
+            String cn = card.getName().toLowerCase(Locale.ENGLISH);
             if (cn.equals("ancient tomb")
                     || cn.equals("anafenza, the foremost")
                     || cn.equals("arcum dagsson")
@@ -678,7 +678,7 @@ public class Commander extends Constructed {
         ObjectColor color = null;
         for (Card commander : deck.getSideboard()) {
             int thisMaxPower = 0;
-            String cn = commander.getName().toLowerCase();
+            String cn = commander.getName().toLowerCase(Locale.ENGLISH);
             if (color == null) {
                 color = commander.getColor(null);
             } else {

Mage.Server/src/main/java/mage/server/ChatManager.java

@@ -245,7 +245,7 @@ public enum ChatManager {
             return true;
         }
         if (command.startsWith("CARD ")) {
-            Matcher matchPattern = getCardTextPattern.matcher(message.toLowerCase());
+            Matcher matchPattern = getCardTextPattern.matcher(message.toLowerCase(Locale.ENGLISH));
             if (matchPattern.find()) {
                 String cardName = matchPattern.group(1);
                 CardInfo cardInfo = CardRepository.instance.findPreferedCoreExpansionCard(cardName, true);

Mage.Server/src/main/java/mage/server/TableController.java

@@ -27,6 +27,7 @@
  */
 package mage.server;
 
+import java.util.Locale;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Optional;
@@ -297,7 +298,7 @@ public class TableController {
 
         // Check power level for table (currently only used for EDH/Commander table)
         int edhPowerLevel = table.getMatch().getOptions().getEdhPowerLevel();
-        if (edhPowerLevel > 0 && table.getValidator().getName().toLowerCase().equals("commander")) {
+        if (edhPowerLevel > 0 && table.getValidator().getName().toLowerCase(Locale.ENGLISH).equals("commander")) {
             int deckEdhPowerLevel = table.getValidator().getEdhPowerLevel(deck);
             if (deckEdhPowerLevel % 100 > edhPowerLevel) {
                 String message = new StringBuilder("Your deck appears to be too powerful for this table.\n\nReduce the number of extra turn cards, infect, counters, fogs, reconsider your commander. ")

Mage.Sets/src/mage/cards/a/AngelicSkirmisher.java

@@ -28,6 +28,7 @@
 package mage.cards.a;
 
 import java.util.HashSet;
+import java.util.Locale;
 import java.util.Set;
 import java.util.UUID;
 import mage.MageInt;
@@ -121,7 +122,7 @@ class AngelicSkirmisherEffect extends OneShotEffect {
                 if (ability != null) {
                     GainAbilityControlledEffect effect = new GainAbilityControlledEffect(ability, Duration.EndOfTurn, new FilterControlledCreaturePermanent());
                     game.addEffect(effect, source);
-                    game.informPlayers(sourcePermanent.getName() + ": " + controller.getLogName() + " has chosen " + abilityChoice.getChoice().toLowerCase());
+                    game.informPlayers(sourcePermanent.getName() + ": " + controller.getLogName() + " has chosen " + abilityChoice.getChoice().toLowerCase(Locale.ENGLISH));
                     return true;
                 }
             }

Mage.Sets/src/mage/cards/c/ConfusionInTheRanks.java

@@ -28,6 +28,7 @@
 package mage.cards.c;
 
 import java.util.HashSet;
+import java.util.Locale;
 import java.util.Set;
 import java.util.UUID;
 import mage.abilities.Ability;
@@ -113,7 +114,7 @@ public class ConfusionInTheRanks extends CardImpl {
                 if (!message.isEmpty()) {
                     message += "or ";
                 }
-                message += cardTypeEntering.toString().toLowerCase() + ' ';
+                message += cardTypeEntering.toString().toLowerCase(Locale.ENGLISH) + ' ';
             }
             filterTarget.add(Predicates.or(cardTypesPredicates));
             message += "you don't control";

Mage.Sets/src/mage/cards/c/CosmicHorror.java

@@ -27,6 +27,7 @@
  */
 package mage.cards.c;
 
+import java.util.Locale;
 import java.util.UUID;
 import mage.MageInt;
 import mage.abilities.Ability;
@@ -38,8 +39,8 @@ import mage.abilities.keyword.FirstStrikeAbility;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
-import mage.constants.SubType;
 import mage.constants.Outcome;
+import mage.constants.SubType;
 import mage.constants.TargetController;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
@@ -52,7 +53,7 @@ import mage.players.Player;
 public class CosmicHorror extends CardImpl {
 
     public CosmicHorror(UUID ownerId, CardSetInfo setInfo) {
-        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{B}{B}{B}");
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{B}{B}{B}");
         this.subtype.add(SubType.HORROR);
         this.power = new MageInt(7);
         this.toughness = new MageInt(7);
@@ -95,7 +96,7 @@ class CosmicHorrorEffect extends OneShotEffect {
         Permanent cosmicHorror = game.getPermanentOrLKIBattlefield(source.getSourceId());
         if (controller != null && cosmicHorror != null) {
             StringBuilder sb = new StringBuilder(cost.getText()).append('?');
-            if (!sb.toString().toLowerCase().startsWith("exile ") && !sb.toString().toLowerCase().startsWith("return ")) {
+            if (!sb.toString().toLowerCase(Locale.ENGLISH).startsWith("exile ") && !sb.toString().toLowerCase(Locale.ENGLISH).startsWith("return ")) {
                 sb.insert(0, "Pay ");
             }
             if (controller.chooseUse(Outcome.Benefit, sb.toString(), source, game)) {

Mage.Sets/src/mage/cards/d/DemonicHordes.java

@@ -27,6 +27,7 @@
  */
 package mage.cards.d;
 
+import java.util.Locale;
 import java.util.UUID;
 import mage.MageInt;
 import mage.abilities.Ability;
@@ -40,8 +41,8 @@ import mage.abilities.effects.common.DestroyTargetEffect;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
-import mage.constants.SubType;
 import mage.constants.Outcome;
+import mage.constants.SubType;
 import mage.constants.TargetController;
 import mage.constants.Zone;
 import mage.filter.common.FilterLandPermanent;
@@ -61,7 +62,7 @@ import mage.target.common.TargetOpponent;
 public class DemonicHordes extends CardImpl {
 
     public DemonicHordes(UUID ownerId, CardSetInfo setInfo) {
-        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{B}{B}{B}");
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{B}{B}{B}");
         this.subtype.add(SubType.DEMON);
         this.power = new MageInt(5);
         this.toughness = new MageInt(5);
@@ -106,7 +107,7 @@ class DemonicHordesEffect extends OneShotEffect {
         Permanent demonicHordes = game.getPermanentOrLKIBattlefield(source.getSourceId());
         if (controller != null && demonicHordes != null) {
             StringBuilder sb = new StringBuilder(cost.getText()).append('?');
-            if (!sb.toString().toLowerCase().startsWith("exile ") && !sb.toString().toLowerCase().startsWith("return ")) {
+            if (!sb.toString().toLowerCase(Locale.ENGLISH).startsWith("exile ") && !sb.toString().toLowerCase(Locale.ENGLISH).startsWith("return ")) {
                 sb.insert(0, "Pay ");
             }
             if (controller.chooseUse(Outcome.Benefit, sb.toString(), source, game)) {

Mage.Sets/src/mage/cards/d/DustOfMoments.java

@@ -28,6 +28,7 @@
 package mage.cards.d;
 
 import java.util.List;
+import java.util.Locale;
 import java.util.UUID;
 import mage.MageObject;
 import mage.abilities.Ability;
@@ -145,7 +146,7 @@ public class DustOfMoments extends CardImpl {
                     if (!game.isSimulation()) {
                         game.informPlayers(new StringBuilder(sourceObject.getName()).append(": ")
                                 .append(controller.getLogName()).append(getActionStr()).append('s')
-                                .append(counter.getCount()).append(' ').append(counterName.toLowerCase())
+                                .append(counter.getCount()).append(' ').append(counterName.toLowerCase(Locale.ENGLISH))
                                 .append(" counter on ").append(card.getName()).toString());
                     }
                 }
@@ -170,7 +171,7 @@ public class DustOfMoments extends CardImpl {
                     if (!game.isSimulation()) {
                         game.informPlayers(new StringBuilder(sourceObject.getName()).append(": ")
                                 .append(controller.getLogName()).append(getActionStr()).append("s ")
-                                .append(counter.getCount()).append(' ').append(counterName.toLowerCase())
+                                .append(counter.getCount()).append(' ').append(counterName.toLowerCase(Locale.ENGLISH))
                                 .append(" counter on ").append(card.getName()).toString());
                     }
                 }
@@ -185,9 +186,9 @@ public class DustOfMoments extends CardImpl {
             StringBuilder sb = new StringBuilder();
             sb.append(getActionStr());
             if (counter.getCount() > 1) {
-                sb.append(Integer.toString(counter.getCount())).append(' ').append(counter.getName().toLowerCase()).append(" counters on each ");
+                sb.append(Integer.toString(counter.getCount())).append(' ').append(counter.getName().toLowerCase(Locale.ENGLISH)).append(" counters on each ");
             } else {
-                sb.append("a ").append(counter.getName().toLowerCase()).append(" counter on each ");
+                sb.append("a ").append(counter.getName().toLowerCase(Locale.ENGLISH)).append(" counter on each ");
             }
             sb.append(permFilter.getMessage());
             staticText = sb.toString();

Mage.Sets/src/mage/cards/e/Equipoise.java

@@ -27,7 +27,7 @@
  */
 package mage.cards.e;
 
-import java.util.List;
+import java.util.Locale;
 import java.util.Objects;
 import java.util.UUID;
 import mage.abilities.Ability;
@@ -44,7 +44,6 @@ import mage.filter.common.FilterControlledPermanent;
 import mage.filter.predicate.mageobject.CardTypePredicate;
 import mage.filter.predicate.permanent.ControllerIdPredicate;
 import mage.game.Game;
-import mage.game.permanent.Permanent;
 import mage.players.Player;
 import mage.target.Target;
 import mage.target.TargetPermanent;
@@ -113,7 +112,7 @@ class EquipoiseEffect extends OneShotEffect {
         int numberTargetPlayer = game.getBattlefield().count(filter, source.getSourceId(), targetPlayer.getId(), game);
         int excess = numberTargetPlayer - numberController;
         if (excess > 0) {
-            FilterPermanent filterChoose = new FilterPermanent(cardType.toString().toLowerCase() + (excess > 1 ? "s" : "") + " of target player");
+            FilterPermanent filterChoose = new FilterPermanent(cardType.toString().toLowerCase(Locale.ENGLISH) + (excess > 1 ? "s" : "") + " of target player");
             filterChoose.add(new ControllerIdPredicate(targetPlayer.getId()));
             filterChoose.add(new CardTypePredicate(cardType));
             Target target = new TargetPermanent(excess, excess, filterChoose, true);

Mage.Sets/src/mage/cards/f/Fatespinner.java

@@ -28,6 +28,7 @@
 package mage.cards.f;
 
 import java.util.HashSet;
+import java.util.Locale;
 import java.util.Set;
 import java.util.UUID;
 import mage.MageInt;
@@ -108,7 +109,7 @@ class FatespinnerChooseEffect extends OneShotEffect {
                 return false;
             }
             String chosenPhase = choice.getChoice();
-            game.informPlayers(player.getLogName() + " has chosen to skip " + chosenPhase.toLowerCase() + '.');
+            game.informPlayers(player.getLogName() + " has chosen to skip " + chosenPhase.toLowerCase(Locale.ENGLISH) + '.');
             game.addEffect(new FatespinnerSkipEffect(chosenPhase), source);
             return true;
         }

Mage.Sets/src/mage/cards/m/MogisGodOfSlaughter.java

@@ -27,6 +27,7 @@
  */
 package mage.cards.m;
 
+import java.util.Locale;
 import java.util.UUID;
 import mage.MageInt;
 import mage.MageObject;
@@ -153,9 +154,9 @@ class DoUnlessTargetPaysCost extends OneShotEffect {
         StringBuilder sb = new StringBuilder();
         String costText = cost.getText();
         if (costText != null
-                && !costText.toLowerCase().startsWith("discard")
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("discard")
-                && !costText.toLowerCase().startsWith("sacrifice")
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("sacrifice")
-                && !costText.toLowerCase().startsWith("remove")) {
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("remove")) {
             sb.append("pay ");
         }
         return sb.append(costText).toString();

Mage.Sets/src/mage/cards/t/TabletOfTheGuilds.java

@@ -27,6 +27,7 @@
  */
 package mage.cards.t;
 
+import java.util.Locale;
 import java.util.UUID;
 import mage.ObjectColor;
 import mage.abilities.Ability;
@@ -93,14 +94,14 @@ class TabletOfTheGuildsEntersBattlefieldEffect extends OneShotEffect {
                 return false;
             }
             game.getState().setValue(permanent.getId() + "_color1", colorChoice.getColor().toString());
-            colors = colorChoice.getChoice().toLowerCase() + " and ";
+            colors = colorChoice.getChoice().toLowerCase(Locale.ENGLISH) + " and ";
             colorChoice.getChoices().remove(colorChoice.getChoice());
             colorChoice.setMessage("Choose the second color");
             if (!player.choose(Outcome.GainLife, colorChoice, game) && player.canRespond()) {
                 return false;
             }
             game.getState().setValue(permanent.getId() + "_color2", colorChoice.getColor().toString());
-            colors = colors + colorChoice.getChoice().toLowerCase();
+            colors = colors + colorChoice.getChoice().toLowerCase(Locale.ENGLISH);
             game.informPlayers(permanent.getName() + ": " + player.getLogName() + " has chosen " + colors);
             return true;
         }

Mage.Tests/src/test/java/org/mage/test/serverside/PlayGameTest.java

@@ -1,5 +1,11 @@
 package org.mage.test.serverside;
 
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Locale;
+import java.util.Random;
 import mage.cards.Card;
 import mage.cards.Sets;
 import mage.cards.decks.Deck;
@@ -17,12 +23,6 @@ import org.junit.Ignore;
 import org.junit.Test;
 import org.mage.test.serverside.base.MageTestBase;
 
-import java.io.FileNotFoundException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Random;
-
 /**
  * @author ayratn
  */
@@ -61,7 +61,6 @@ public class PlayGameTest extends MageTestBase {
 //        game.cheat(playerA.getId(), libraryCardsA, handCardsA, battlefieldCardsA, graveyardCardsA);
 //        game.cheat(playerB.getId(), commandsB);
 //        game.cheat(playerB.getId(), libraryCardsB, handCardsB, battlefieldCardsB, graveyardCardsB);
-
         //boolean testMode = false;
         boolean testMode = true;
 
@@ -80,7 +79,7 @@ public class PlayGameTest extends MageTestBase {
     }
 
     private Deck generateRandomDeck() {
-        String selectedColors = colorChoices.get(new Random().nextInt(colorChoices.size())).toUpperCase();
+        String selectedColors = colorChoices.get(new Random().nextInt(colorChoices.size())).toUpperCase(Locale.ENGLISH);
         List<ColoredManaSymbol> allowedColors = new ArrayList<>();
         logger.info("Building deck with colors: " + selectedColors);
         for (int i = 0; i < selectedColors.length(); i++) {

Mage.Tests/src/test/java/org/mage/test/serverside/TestPlayRandomGame.java

@@ -1,5 +1,11 @@
 package org.mage.test.serverside;
 
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Locale;
+import java.util.Random;
 import mage.cards.Card;
 import mage.cards.Sets;
 import mage.cards.decks.Deck;
@@ -16,12 +22,6 @@ import org.junit.Ignore;
 import org.junit.Test;
 import org.mage.test.serverside.base.MageTestBase;
 
-import java.io.FileNotFoundException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Random;
-
 /**
  * @author ayratn
  */
@@ -70,7 +70,7 @@ public class TestPlayRandomGame extends MageTestBase {
     }
 
     private Deck generateRandomDeck() {
-        String selectedColors = colorChoices.get(new Random().nextInt(colorChoices.size())).toUpperCase();
+        String selectedColors = colorChoices.get(new Random().nextInt(colorChoices.size())).toUpperCase(Locale.ENGLISH);
         List<ColoredManaSymbol> allowedColors = new ArrayList<>();
         logger.info("Building deck with colors: " + selectedColors);
         for (int i = 0; i < selectedColors.length(); i++) {

Mage.Verify/src/test/java/mage/verify/VerifyCardDataTest.java

@@ -277,8 +277,8 @@ public class VerifyCardDataTest {
             for (String token : tokens) {
                 if (!(token.equals(card.getName())
                         || containsInTypesOrText(ref, token)
-                        || containsInTypesOrText(ref, token.toLowerCase())
+                        || containsInTypesOrText(ref, token.toLowerCase(Locale.ENGLISH))
-                        || (ref2 != null && (containsInTypesOrText(ref2, token) || containsInTypesOrText(ref2, token.toLowerCase()))))) {
+                        || (ref2 != null && (containsInTypesOrText(ref2, token) || containsInTypesOrText(ref2, token.toLowerCase(Locale.ENGLISH)))))) {
                     System.out.println("unexpected token " + token + " in " + card);
                 }
             }

Mage/src/main/java/mage/abilities/SpecialActions.java

@@ -28,7 +28,6 @@
 
 package mage.abilities;
 
-import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.UUID;
 

Mage/src/main/java/mage/abilities/TriggeredAbilityImpl.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities;
 
+import java.util.Locale;
 import java.util.UUID;
 import mage.MageObject;
 import mage.abilities.effects.Effect;
@@ -124,7 +125,7 @@ public abstract class TriggeredAbilityImpl extends AbilityImpl implements Trigge
         String superRule = super.getRule(true);
         StringBuilder sb = new StringBuilder();
         if (!superRule.isEmpty()) {
-            String ruleLow = superRule.toLowerCase();
+            String ruleLow = superRule.toLowerCase(Locale.ENGLISH);
             if (isOptional()) {
                 if (ruleLow.startsWith("you ")) {
                     if (!ruleLow.startsWith("you may")) {

Mage/src/main/java/mage/abilities/abilityword/ConstellationAbility.java

@@ -30,7 +30,6 @@ package mage.abilities.abilityword;
 
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.effects.Effect;
-import mage.constants.CardType;
 import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.events.GameEvent;

Mage/src/main/java/mage/abilities/common/AttacksAttachedTriggeredAbility.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities.common;
 
+import java.util.Locale;
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.effects.Effect;
 import mage.constants.AttachmentType;
@@ -88,7 +89,7 @@ public class AttacksAttachedTriggeredAbility extends TriggeredAbilityImpl {
     @Override
     public String getRule() {
         StringBuilder sb = new StringBuilder("Whenever ");
-        sb.append(attachmentType.verb().toLowerCase());
+        sb.append(attachmentType.verb().toLowerCase(Locale.ENGLISH));
         return sb.append(" creature attacks, ").append(super.getRule()).toString();
     }
 }

Mage/src/main/java/mage/abilities/common/BeginningOfEndStepTriggeredAbility.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities.common;
 
+import java.util.Locale;
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.condition.Condition;
 import mage.abilities.effects.Effect;
@@ -129,9 +130,9 @@ public class BeginningOfEndStepTriggeredAbility extends TriggeredAbilityImpl {
     public String getRule() {
         StringBuilder sb = new StringBuilder(getEffects().getText(modes.getMode()));
         if (this.optional) {
-            if (sb.substring(0, 6).toLowerCase().equals("target")) {
+            if (sb.substring(0, 6).toLowerCase(Locale.ENGLISH).equals("target")) {
                 sb.insert(0, "you may have ");
-            } else if (!sb.substring(0, 4).toLowerCase().equals("you ")) {
+            } else if (!sb.substring(0, 4).toLowerCase(Locale.ENGLISH).equals("you ")) {
                 sb.insert(0, "you may ");
             }
         }

Mage/src/main/java/mage/abilities/common/BeginningOfUpkeepTriggeredAbility.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities.common;
 
+import java.util.Locale;
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.effects.Effect;
 import mage.constants.TargetController;
@@ -141,9 +142,9 @@ public class BeginningOfUpkeepTriggeredAbility extends TriggeredAbilityImpl {
         switch (targetController) {
             case YOU:
                 if (this.optional) {
-                    if (sb.substring(0, 6).toLowerCase().equals("target")) {
+                    if (sb.substring(0, 6).toLowerCase(Locale.ENGLISH).equals("target")) {
                         sb.insert(0, "you may have ");
-                    } else if (!sb.substring(0, 4).toLowerCase().equals("you ")) {
+                    } else if (!sb.substring(0, 4).toLowerCase(Locale.ENGLISH).equals("you ")) {
                         sb.insert(0, "you may ");
                     }
                 }

Mage/src/main/java/mage/abilities/common/LandfallAbility.java

@@ -29,7 +29,6 @@ package mage.abilities.common;
 
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.effects.Effect;
-import mage.constants.CardType;
 import mage.constants.SetTargetPointer;
 import mage.constants.Zone;
 import mage.game.Game;

Mage/src/main/java/mage/abilities/common/TapLandForManaAllTriggeredManaAbility.java

@@ -30,7 +30,6 @@ package mage.abilities.common;
 
 import mage.abilities.effects.common.ManaEffect;
 import mage.abilities.mana.TriggeredManaAbility;
-import mage.constants.CardType;
 import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.events.GameEvent;

Mage/src/main/java/mage/abilities/condition/common/AnyPlayerControlsCondition.java

@@ -31,9 +31,6 @@ import mage.abilities.Ability;
 import mage.abilities.condition.Condition;
 import mage.filter.FilterPermanent;
 import mage.game.Game;
-import mage.players.Player;
-
-import java.util.Map;
 import java.util.UUID;
 
 /**

Mage/src/main/java/mage/abilities/condition/common/DeliriumCondition.java

@@ -28,7 +28,6 @@
 package mage.abilities.condition.common;
 
 import java.util.EnumSet;
-import java.util.HashSet;
 import mage.abilities.Ability;
 import mage.abilities.condition.Condition;
 import mage.cards.Card;

Mage/src/main/java/mage/abilities/condition/common/EnchantedSourceCondition.java

@@ -30,7 +30,6 @@ package mage.abilities.condition.common;
 import java.util.UUID;
 import mage.abilities.Ability;
 import mage.abilities.condition.Condition;
-import mage.constants.CardType;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 

Mage/src/main/java/mage/abilities/condition/common/EnchantedTargetCondition.java

@@ -4,7 +4,6 @@ import java.util.UUID;
 
 import mage.abilities.Ability;
 import mage.abilities.condition.Condition;
-import mage.constants.CardType;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.target.Target;

Mage/src/main/java/mage/abilities/condition/common/MyMainPhaseCondition.java

@@ -28,7 +28,6 @@
 package mage.abilities.condition.common;
 
 import java.util.EnumSet;
-import java.util.HashSet;
 import java.util.Set;
 
 import mage.constants.TurnPhase;

Mage/src/main/java/mage/abilities/condition/common/SourceIsSpellCondition.java

@@ -30,7 +30,6 @@ package mage.abilities.condition.common;
 import mage.MageObject;
 import mage.abilities.Ability;
 import mage.abilities.condition.Condition;
-import mage.constants.CardType;
 import mage.game.Game;
 
 /**

Mage/src/main/java/mage/abilities/costs/common/ExileTopCreatureCardOfGraveyardCost.java

@@ -10,7 +10,6 @@ import mage.abilities.Ability;
 import mage.abilities.costs.Cost;
 import mage.abilities.costs.CostImpl;
 import mage.cards.Card;
-import mage.constants.CardType;
 import mage.constants.Zone;
 import mage.game.Game;
 import mage.players.Player;

Mage/src/main/java/mage/abilities/dynamicvalue/common/ParleyCount.java

@@ -36,7 +36,6 @@ import mage.abilities.dynamicvalue.DynamicValue;
 import mage.abilities.effects.Effect;
 import mage.cards.Card;
 import mage.cards.CardsImpl;
-import mage.constants.CardType;
 import mage.game.Game;
 import mage.players.Player;
 

Mage/src/main/java/mage/abilities/effects/common/DamageAttachedEffect.java

@@ -36,7 +36,6 @@ import mage.abilities.effects.OneShotEffect;
 import mage.constants.Outcome;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
-import mage.players.Player;
 
 /**
  *

Mage/src/main/java/mage/abilities/effects/common/DamageEachOtherEffect.java

@@ -30,7 +30,6 @@ package mage.abilities.effects.common;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
 import mage.abilities.effects.OneShotEffect;
-import mage.constants.CardType;
 import mage.constants.Outcome;
 import mage.constants.Zone;
 import mage.game.Game;

Mage/src/main/java/mage/abilities/effects/common/DoIfCostPaid.java

@@ -1,5 +1,6 @@
 package mage.abilities.effects.common;
 
+import java.util.Locale;
 import mage.MageObject;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
@@ -88,8 +89,7 @@ public class DoIfCostPaid extends OneShotEffect {
                         }
                     }
                     player.resetStoredBookmark(game); // otherwise you can e.g. undo card drawn with Mentor of the Meek
-                }
+                } else if (!otherwiseEffects.isEmpty()) {
-                else if (!otherwiseEffects.isEmpty()) {
                     for (Effect effect : otherwiseEffects) {
                         effect.setTargetPointer(this.targetPointer);
                         if (effect instanceof OneShotEffect) {
@@ -99,8 +99,7 @@ public class DoIfCostPaid extends OneShotEffect {
                         }
                     }
                 }
-            }
+            } else if (!otherwiseEffects.isEmpty()) {
-            else if (!otherwiseEffects.isEmpty()) {
                 for (Effect effect : otherwiseEffects) {
                     effect.setTargetPointer(this.targetPointer);
                     if (effect instanceof OneShotEffect) {
@@ -135,12 +134,12 @@ public class DoIfCostPaid extends OneShotEffect {
         StringBuilder sb = new StringBuilder();
         String costText = cost.getText();
         if (costText != null
-                && !costText.toLowerCase().startsWith("put")
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("put")
-                && !costText.toLowerCase().startsWith("exile")
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("exile")
-                && !costText.toLowerCase().startsWith("discard")
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("discard")
-                && !costText.toLowerCase().startsWith("sacrifice")
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("sacrifice")
-                && !costText.toLowerCase().startsWith("remove")
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("remove")
-                && !costText.toLowerCase().startsWith("pay")) {
+                && !costText.toLowerCase(Locale.ENGLISH).startsWith("pay")) {
             sb.append("pay ");
         }
         return sb.append(costText).toString();

Mage/src/main/java/mage/abilities/effects/common/EnterBattlefieldPayCostOrPutGraveyardEffect.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities.effects.common;
 
+import java.util.Locale;
 import mage.MageObject;
 import mage.abilities.Ability;
 import mage.abilities.costs.Cost;
@@ -77,7 +78,7 @@ public class EnterBattlefieldPayCostOrPutGraveyardEffect extends ReplacementEffe
             boolean replace = true;
             if (cost.canPay(source, source.getSourceId(), player.getId(), game)) {
                 if (player.chooseUse(outcome,
-                        cost.getText().substring(0, 1).toUpperCase() + cost.getText().substring(1)
+                        cost.getText().substring(0, 1).toUpperCase(Locale.ENGLISH) + cost.getText().substring(1)
                         + "? (otherwise " + sourceObject.getLogName() + " is put into graveyard)", source, game)) {
                     cost.clearPaid();
                     replace = !cost.pay(source, game, source.getSourceId(), source.getControllerId(), false, null);

Mage/src/main/java/mage/abilities/effects/common/ExileFromZoneTargetEffect.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities.effects.common;
 
+import java.util.Locale;
 import java.util.UUID;
 import mage.abilities.Ability;
 import mage.abilities.effects.OneShotEffect;
@@ -106,6 +107,6 @@ public class ExileFromZoneTargetEffect extends OneShotEffect {
     }
 
     private void setText() {
-        staticText = "target player exiles " + CardUtil.numberToText(amount, "a") + ' ' + filter.getMessage() + " from his or her " + zone.toString().toLowerCase();
+        staticText = "target player exiles " + CardUtil.numberToText(amount, "a") + ' ' + filter.getMessage() + " from his or her " + zone.toString().toLowerCase(Locale.ENGLISH);
     }
 }

Mage/src/main/java/mage/abilities/effects/common/ExileSourceUnlessPaysEffect.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities.effects.common;
 
+import java.util.Locale;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
 import mage.abilities.costs.Cost;
@@ -38,7 +39,7 @@ import mage.players.Player;
 import mage.util.CardUtil;
 
 /**
- * 
+ *
  * @author fireshoes
  */
 public class ExileSourceUnlessPaysEffect extends OneShotEffect {
@@ -61,7 +62,7 @@ public class ExileSourceUnlessPaysEffect extends OneShotEffect {
         Permanent sourcePermanent = game.getPermanentOrLKIBattlefield(source.getSourceId());
         if (controller != null && sourcePermanent != null) {
             StringBuilder sb = new StringBuilder(cost.getText()).append('?');
-            if (!sb.toString().toLowerCase().startsWith("exile ") && !sb.toString().toLowerCase().startsWith("return ")) {
+            if (!sb.toString().toLowerCase(Locale.ENGLISH).startsWith("exile ") && !sb.toString().toLowerCase(Locale.ENGLISH).startsWith("return ")) {
                 sb.insert(0, "Pay ");
             }
             String message = CardUtil.replaceSourceName(sb.toString(), sourcePermanent.getLogName());
@@ -91,12 +92,12 @@ public class ExileSourceUnlessPaysEffect extends OneShotEffect {
 
         StringBuilder sb = new StringBuilder("exile {this} unless you ");
         String costText = cost.getText();
-        if (costText.toLowerCase().startsWith("discard")
+        if (costText.toLowerCase(Locale.ENGLISH).startsWith("discard")
-                || costText.toLowerCase().startsWith("remove")
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("remove")
-                || costText.toLowerCase().startsWith("return")
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("return")
-                || costText.toLowerCase().startsWith("exile")
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("exile")
-                || costText.toLowerCase().startsWith("sacrifice")) {
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("sacrifice")) {
-            sb.append(costText.substring(0, 1).toLowerCase());
+            sb.append(costText.substring(0, 1).toLowerCase(Locale.ENGLISH));
             sb.append(costText.substring(1));
         } else {
             sb.append("pay ").append(costText);

Mage/src/main/java/mage/abilities/effects/common/FightTargetsEffect.java

@@ -31,7 +31,6 @@ import mage.abilities.Ability;
 import mage.abilities.Mode;
 import mage.abilities.effects.OneShotEffect;
 import mage.cards.Card;
-import mage.constants.CardType;
 import mage.constants.Outcome;
 import mage.game.Game;
 import mage.game.permanent.Permanent;

Mage/src/main/java/mage/abilities/effects/common/HideawayPlayEffect.java

@@ -30,7 +30,6 @@ package mage.abilities.effects.common;
 import mage.abilities.Ability;
 import mage.abilities.effects.OneShotEffect;
 import mage.cards.Card;
-import mage.constants.CardType;
 import mage.constants.Outcome;
 import mage.game.ExileZone;
 import mage.game.Game;

Mage/src/main/java/mage/abilities/effects/common/LookLibraryAndPickControllerEffect.java

@@ -30,6 +30,7 @@
 package mage.abilities.effects.common;
 
 import static java.lang.Integer.min;
+import java.util.Locale;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
 import mage.abilities.dynamicvalue.DynamicValue;
@@ -291,7 +292,7 @@ public class LookLibraryAndPickControllerEffect extends LookLibraryControllerEff
 
                 sb.append(" of them into your ");
             }
-            sb.append(targetPickedCards.toString().toLowerCase());
+            sb.append(targetPickedCards.toString().toLowerCase(Locale.ENGLISH));
 
             if (targetZoneLookedCards == Zone.LIBRARY) {
                 sb.append(". Put the rest ");

Mage/src/main/java/mage/abilities/effects/common/PreventDamageByTargetEffect.java

@@ -31,7 +31,6 @@ import mage.MageObject;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
 import mage.abilities.effects.PreventionEffectImpl;
-import mage.constants.CardType;
 import mage.constants.Duration;
 import mage.game.Game;
 import mage.game.events.GameEvent;

Mage/src/main/java/mage/abilities/effects/common/RegenerateAttachedEffect.java

@@ -1,16 +1,16 @@
 /*
  *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
- * 
+ *
  *  Redistribution and use in source and binary forms, with or without modification, are
  *  permitted provided that the following conditions are met:
- * 
+ *
  *     1. Redistributions of source code must retain the above copyright notice, this list of
  *        conditions and the following disclaimer.
- * 
+ *
  *     2. Redistributions in binary form must reproduce the above copyright notice, this list
  *        of conditions and the following disclaimer in the documentation and/or other materials
  *        provided with the distribution.
- * 
+ *
  *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
  *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
@@ -20,21 +20,20 @@
  *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  *  The views and conclusions contained in the software and documentation are those of the
  *  authors and should not be interpreted as representing official policies, either expressed
  *  or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.abilities.effects.common;
 
+import java.util.Locale;
 import java.util.UUID;
-
+import mage.abilities.Ability;
+import mage.abilities.effects.ReplacementEffectImpl;
 import mage.constants.AttachmentType;
 import mage.constants.Duration;
 import mage.constants.Outcome;
-import mage.abilities.Ability;
-import mage.abilities.effects.ReplacementEffectImpl;
 import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.game.permanent.Permanent;
@@ -103,6 +102,6 @@ public class RegenerateAttachedEffect extends ReplacementEffectImpl {
     }
 
     private void setText() {
-        staticText = "Regenerate " + attachmentType.verb().toLowerCase() + " creature";
+        staticText = "Regenerate " + attachmentType.verb().toLowerCase(Locale.ENGLISH) + " creature";
     }
 }

Mage/src/main/java/mage/abilities/effects/common/RegenerateTargetEffect.java

@@ -25,14 +25,14 @@
  *  authors and should not be interpreted as representing official policies, either expressed
  *  or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.abilities.effects.common;
 
-import mage.constants.Duration;
+import java.util.Locale;
-import mage.constants.Outcome;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
 import mage.abilities.effects.ReplacementEffectImpl;
+import mage.constants.Duration;
+import mage.constants.Outcome;
 import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.game.events.GameEvent.EventType;
@@ -43,9 +43,9 @@ import mage.target.Target;
  *
  * @author maurer.it_at_gmail.com
  */
-public class RegenerateTargetEffect  extends ReplacementEffectImpl {
+public class RegenerateTargetEffect extends ReplacementEffectImpl {
 
-    public RegenerateTargetEffect ( ) {
+    public RegenerateTargetEffect() {
         super(Duration.EndOfTurn, Outcome.Regenerate);
     }
 
@@ -82,7 +82,7 @@ public class RegenerateTargetEffect  extends ReplacementEffectImpl {
     @Override
     public boolean applies(GameEvent event, Ability source, Game game) {
         //20110204 - 701.11c - event.getAmount() is used to signal if regeneration is allowed
-        
+
         return event.getAmount() == 0 && event.getTargetId().equals(targetPointer.getFirst(game, source)) && !this.used;
     }
 
@@ -95,7 +95,7 @@ public class RegenerateTargetEffect  extends ReplacementEffectImpl {
         sb.append("Regenerate ");
         Target target = mode.getTargets().get(0);
         if (target != null) {
-            if (!target.getTargetName().toLowerCase().startsWith("another")) {
+            if (!target.getTargetName().toLowerCase(Locale.ENGLISH).startsWith("another")) {
                 sb.append("target ");
             }
             sb.append(target.getTargetName());

Mage/src/main/java/mage/abilities/effects/common/RevealTopLandToBattlefieldElseHandEffect.java

@@ -5,7 +5,6 @@ import mage.abilities.Ability;
 import mage.abilities.effects.OneShotEffect;
 import mage.cards.Card;
 import mage.cards.CardsImpl;
-import mage.constants.CardType;
 import mage.constants.Outcome;
 import mage.constants.Zone;
 import mage.game.Game;

Mage/src/main/java/mage/abilities/effects/common/RollDiceEffect.java

@@ -30,7 +30,6 @@ package mage.abilities.effects.common;
 import mage.MageObject;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
-import mage.abilities.effects.ContinuousEffect;
 import mage.abilities.effects.Effect;
 import mage.abilities.effects.Effects;
 import mage.abilities.effects.OneShotEffect;

Mage/src/main/java/mage/abilities/effects/common/SacrificeSourceUnlessPaysEffect.java

@@ -1,5 +1,6 @@
 package mage.abilities.effects.common;
 
+import java.util.Locale;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
 import mage.abilities.costs.Cost;
@@ -34,7 +35,7 @@ public class SacrificeSourceUnlessPaysEffect extends OneShotEffect {
         Permanent sourcePermanent = game.getPermanentOrLKIBattlefield(source.getSourceId());
         if (controller != null && sourcePermanent != null) {
             StringBuilder sb = new StringBuilder(cost.getText()).append('?');
-            if (!sb.toString().toLowerCase().startsWith("exile ") && !sb.toString().toLowerCase().startsWith("return ")) {
+            if (!sb.toString().toLowerCase(Locale.ENGLISH).startsWith("exile ") && !sb.toString().toLowerCase(Locale.ENGLISH).startsWith("return ")) {
                 sb.insert(0, "Pay ");
             }
             String message = CardUtil.replaceSourceName(sb.toString(), sourcePermanent.getLogName());
@@ -69,13 +70,13 @@ public class SacrificeSourceUnlessPaysEffect extends OneShotEffect {
 
         StringBuilder sb = new StringBuilder("sacrifice {this} unless you ");
         String costText = cost.getText();
-        if (costText.toLowerCase().startsWith("discard")
+        if (costText.toLowerCase(Locale.ENGLISH).startsWith("discard")
-                || costText.toLowerCase().startsWith("remove")
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("remove")
-                || costText.toLowerCase().startsWith("return")
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("return")
-                || costText.toLowerCase().startsWith("put")
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("put")
-                || costText.toLowerCase().startsWith("exile")
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("exile")
-                || costText.toLowerCase().startsWith("sacrifice")) {
+                || costText.toLowerCase(Locale.ENGLISH).startsWith("sacrifice")) {
-            sb.append(costText.substring(0, 1).toLowerCase());
+            sb.append(costText.substring(0, 1).toLowerCase(Locale.ENGLISH));
             sb.append(costText.substring(1));
         } else {
             sb.append("pay ").append(costText);

Mage/src/main/java/mage/abilities/effects/common/combat/MustBeBlockedByAllAttachedEffect.java

@@ -25,15 +25,14 @@
  *  authors and should not be interpreted as representing official policies, either expressed
  *  or implied, of BetaSteward_at_googlemail.com.
  */
-
 package mage.abilities.effects.common.combat;
 
+import java.util.Locale;
 import java.util.UUID;
-
-import mage.constants.AttachmentType;
-import mage.constants.Duration;
 import mage.abilities.Ability;
 import mage.abilities.effects.RequirementEffect;
+import mage.constants.AttachmentType;
+import mage.constants.Duration;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 
@@ -51,7 +50,7 @@ public class MustBeBlockedByAllAttachedEffect extends RequirementEffect {
     public MustBeBlockedByAllAttachedEffect(Duration duration, AttachmentType attachmentType) {
         super(duration);
         this.attachmentType = attachmentType;
-        staticText = "All creatures able to block " + attachmentType.verb().toLowerCase() + " creature do so";
+        staticText = "All creatures able to block " + attachmentType.verb().toLowerCase(Locale.ENGLISH) + " creature do so";
     }
 
     public MustBeBlockedByAllAttachedEffect(final MustBeBlockedByAllAttachedEffect effect) {

Mage/src/main/java/mage/abilities/effects/common/continuous/AddCardTypeSourceEffect.java

@@ -28,6 +28,7 @@
 package mage.abilities.effects.common.continuous;
 
 import java.util.ArrayList;
+import java.util.Locale;
 import mage.MageObjectReference;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
@@ -104,7 +105,7 @@ public class AddCardTypeSourceEffect extends ContinuousEffectImpl {
                 }
                 article = true;
             }
-            sb.append(cardType.toString().toLowerCase()).append(" ");
+            sb.append(cardType.toString().toLowerCase(Locale.ENGLISH)).append(" ");
         }
         sb.append(" in addition to its other types ").append(this.getDuration().toString());
         return sb.toString();

Mage/src/main/java/mage/abilities/effects/common/continuous/AddCardTypeTargetEffect.java

@@ -28,6 +28,7 @@
 package mage.abilities.effects.common.continuous;
 
 import java.util.ArrayList;
+import java.util.Locale;
 import java.util.UUID;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
@@ -110,7 +111,7 @@ public class AddCardTypeTargetEffect extends ContinuousEffectImpl {
                 }
                 article = true;
             }
-            sb.append(cardType.toString().toLowerCase()).append(" ");
+            sb.append(cardType.toString().toLowerCase(Locale.ENGLISH)).append(" ");
         }
         sb.append("in addition to its other types");
         if (getDuration().equals(Duration.EndOfTurn)) {

Mage/src/main/java/mage/abilities/effects/common/continuous/BoostTargetEffect.java

@@ -27,13 +27,13 @@
  */
 package mage.abilities.effects.common.continuous;
 
+import java.util.Locale;
 import java.util.UUID;
 import mage.abilities.Ability;
 import mage.abilities.Mode;
 import mage.abilities.dynamicvalue.DynamicValue;
 import mage.abilities.dynamicvalue.common.StaticValue;
 import mage.abilities.effects.ContinuousEffectImpl;
-import mage.constants.CardType;
 import mage.constants.Duration;
 import mage.constants.Layer;
 import mage.constants.Outcome;
@@ -126,7 +126,7 @@ public class BoostTargetEffect extends ContinuousEffectImpl {
             }
             sb.append(CardUtil.numberToText(target.getMaxNumberOfTargets())).append(" target ").append(target.getTargetName()).append(" get ");
         } else {
-            if (!target.getTargetName().toUpperCase().startsWith("ANOTHER")) {
+            if (!target.getTargetName().toUpperCase(Locale.ENGLISH).startsWith("ANOTHER")) {
                 sb.append("target ");
             }
             sb.append(target.getTargetName()).append(" gets ");

Mage/src/main/java/mage/abilities/effects/common/continuous/GainAbilityAllEffect.java

@@ -29,6 +29,7 @@ package mage.abilities.effects.common.continuous;
 
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.Locale;
 import java.util.UUID;
 import mage.MageObject;
 import mage.MageObjectReference;
@@ -180,12 +181,12 @@ public class GainAbilityAllEffect extends ContinuousEffectImpl {
         }
         sb.append(filter.getMessage());
         if (duration == Duration.WhileOnBattlefield) {
-            if (filter.getMessage().toLowerCase().startsWith("each")) {
+            if (filter.getMessage().toLowerCase(Locale.ENGLISH).startsWith("each")) {
                 sb.append(" has ");
             } else {
                 sb.append(" have ");
             }
-        } else if (filter.getMessage().toLowerCase().startsWith("each")) {
+        } else if (filter.getMessage().toLowerCase(Locale.ENGLISH).startsWith("each")) {
             sb.append(" gains ");
         } else {
             sb.append(" gain ");

Mage/src/main/java/mage/abilities/effects/common/continuous/GainAbilityTargetEffect.java

@@ -170,7 +170,7 @@ public class GainAbilityTargetEffect extends ContinuousEffectImpl {
             }
             sb.append(target.getMaxNumberOfTargets()).append(" target ").append(target.getTargetName()).append(" gain ");
         } else {
-            if (!target.getTargetName().toUpperCase().startsWith("ANOTHER")) {
+            if (!target.getTargetName().toUpperCase(Locale.ENGLISH).startsWith("ANOTHER")) {
                 sb.append("target ");
             }
             sb.append(target.getTargetName()).append(" gains ");

Mage/src/main/java/mage/abilities/effects/common/counter/AddCountersAllEffect.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities.effects.common.counter;
 
+import java.util.Locale;
 import mage.MageObject;
 import mage.abilities.Ability;
 import mage.abilities.effects.OneShotEffect;
@@ -69,7 +70,7 @@ public class AddCountersAllEffect extends OneShotEffect {
                 for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, source.getControllerId(), source.getSourceId(), game)) {
                     permanent.addCounters(counter.copy(), source, game);
                     if (!game.isSimulation()) {
-                        game.informPlayers(sourceObject.getLogName() + ": " + controller.getLogName() + " puts " + counter.getCount() + ' ' + counter.getName().toLowerCase()
+                        game.informPlayers(sourceObject.getLogName() + ": " + controller.getLogName() + " puts " + counter.getCount() + ' ' + counter.getName().toLowerCase(Locale.ENGLISH)
                                 + " counter on " + permanent.getLogName());
                     }
                 }
@@ -83,9 +84,9 @@ public class AddCountersAllEffect extends OneShotEffect {
         StringBuilder sb = new StringBuilder();
         sb.append("put ");
         if (counter.getCount() > 1) {
-            sb.append(CardUtil.numberToText(counter.getCount(), "a")).append(' ').append(counter.getName().toLowerCase()).append(" counters on each ");
+            sb.append(CardUtil.numberToText(counter.getCount(), "a")).append(' ').append(counter.getName().toLowerCase(Locale.ENGLISH)).append(" counters on each ");
         } else {
-            sb.append("a ").append(counter.getName().toLowerCase()).append(" counter on each ");
+            sb.append("a ").append(counter.getName().toLowerCase(Locale.ENGLISH)).append(" counter on each ");
         }
         sb.append(filter.getMessage());
         staticText = sb.toString();

Mage/src/main/java/mage/abilities/effects/common/counter/AddCountersAttachedEffect.java

@@ -27,6 +27,7 @@
  */
 package mage.abilities.effects.common.counter;
 
+import java.util.Locale;
 import mage.abilities.Ability;
 import mage.abilities.dynamicvalue.DynamicValue;
 import mage.abilities.dynamicvalue.common.StaticValue;
@@ -41,7 +42,6 @@ import mage.util.CardUtil;
  *
  * @author LevelX2
  */
-
 public class AddCountersAttachedEffect extends OneShotEffect {
 
     private Counter counter;
@@ -99,7 +99,7 @@ public class AddCountersAttachedEffect extends OneShotEffect {
         } else {
             sb.append("a ");
         }
-        sb.append(counter.getName().toLowerCase()).append(" counter on ");
+        sb.append(counter.getName().toLowerCase(Locale.ENGLISH)).append(" counter on ");
         sb.append(textEnchanted);
         if (!amount.getMessage().isEmpty()) {
             sb.append(" for each ").append(amount.getMessage());

Mage/src/main/java/mage/abilities/effects/common/counter/AddCountersSourceEffect.java

@@ -28,6 +28,7 @@
 package mage.abilities.effects.common.counter;
 
 import java.util.ArrayList;
+import java.util.Locale;
 import java.util.UUID;
 import mage.abilities.Ability;
 import mage.abilities.dynamicvalue.DynamicValue;
@@ -110,7 +111,7 @@ public class AddCountersSourceEffect extends OneShotEffect {
                         if (informPlayers && !game.isSimulation()) {
                             Player player = game.getPlayer(source.getControllerId());
                             if (player != null) {
-                                game.informPlayers(player.getLogName() + " puts " + newCounter.getCount() + ' ' + newCounter.getName().toLowerCase() + " counter on " + card.getLogName());
+                                game.informPlayers(player.getLogName() + " puts " + newCounter.getCount() + ' ' + newCounter.getName().toLowerCase(Locale.ENGLISH) + " counter on " + card.getLogName());
                             }
                         }
                     }
@@ -137,7 +138,7 @@ public class AddCountersSourceEffect extends OneShotEffect {
                                 int amountAdded = permanent.getCounters(game).getCount(newCounter.getName()) - before;
                                 Player player = game.getPlayer(source.getControllerId());
                                 if (player != null) {
-                                    game.informPlayers(player.getLogName() + " puts " + amountAdded + ' ' + newCounter.getName().toLowerCase() + " counter on " + permanent.getLogName());
+                                    game.informPlayers(player.getLogName() + " puts " + amountAdded + ' ' + newCounter.getName().toLowerCase(Locale.ENGLISH) + " counter on " + permanent.getLogName());
                                 }
                             }
                         }
@@ -161,7 +162,7 @@ public class AddCountersSourceEffect extends OneShotEffect {
             sb.append("a ");
             plural = false;
         }
-        sb.append(counter.getName().toLowerCase()).append(" counter");
+        sb.append(counter.getName().toLowerCase(Locale.ENGLISH)).append(" counter");
         if (plural) {
             sb.append('s');
         }