diff --git a/Mage.Sets/src/mage/sets/betrayersofkamigawa/KumanosBlessing.java b/Mage.Sets/src/mage/sets/betrayersofkamigawa/KumanosBlessing.java
index 35a67b46711..8600bab84d4 100644
--- a/Mage.Sets/src/mage/sets/betrayersofkamigawa/KumanosBlessing.java
+++ b/Mage.Sets/src/mage/sets/betrayersofkamigawa/KumanosBlessing.java
@@ -38,12 +38,7 @@ import mage.abilities.effects.common.AttachEffect;
 import mage.abilities.keyword.EnchantAbility;
 import mage.abilities.keyword.FlashAbility;
 import mage.cards.CardImpl;
-import mage.constants.CardType;
-import mage.constants.Duration;
-import mage.constants.Outcome;
-import mage.constants.Rarity;
-import mage.constants.WatcherScope;
-import mage.constants.Zone;
+import mage.constants.*;
 import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.game.events.GameEvent.EventType;
@@ -54,6 +49,7 @@ import mage.target.TargetPermanent;
 import mage.target.common.TargetCreaturePermanent;
 import mage.watchers.Watcher;
 
+
 /**
  *
  * @author LevelX2
@@ -159,9 +155,8 @@ class DamagedByEnchantedWatcher extends Watcher {
             if (enchantment != null && enchantment.getAttachedTo() != null) {
                 if (enchantment.getAttachedTo().equals(event.getSourceId())) {
                     MageObjectReference mor = new MageObjectReference(event.getTargetId(), game);
-                    if (!damagedCreatures.contains(mor)) {
                         damagedCreatures.add(mor);
-                    }
+
                 }
             }
         }
diff --git a/Mage.Sets/src/mage/sets/betrayersofkamigawa/MinamosMeddling.java b/Mage.Sets/src/mage/sets/betrayersofkamigawa/MinamosMeddling.java
index 650d87ccce4..a6cd389624b 100644
--- a/Mage.Sets/src/mage/sets/betrayersofkamigawa/MinamosMeddling.java
+++ b/Mage.Sets/src/mage/sets/betrayersofkamigawa/MinamosMeddling.java
@@ -46,6 +46,9 @@ import mage.game.stack.Spell;
 import mage.players.Player;
 import mage.target.TargetSpell;
 
+import java.util.UUID;
+
+
 /**
  *
  * @author LevelX2
@@ -103,7 +106,7 @@ class MinamosMeddlingCounterTargetEffect extends OneShotEffect {
                         for (SpellAbility spellAbility : spell.getSpellAbilities()) {
                             if (spellAbility.getSpellAbilityType().equals(SpellAbilityType.SPLICE)) {
                                 for (Card card: spellController.getHand().getCards(game)) {
-                                    if (card.getName().equals(spellAbility.getCardName()) && !cardsToDiscard.contains(card.getId())) {
+                                    if (card.getName().equals(spellAbility.getCardName())) {
                                         cardsToDiscard.add(card);
                                     }
                                 }
diff --git a/Mage.Sets/src/mage/sets/bornofthegods/SpiritOfTheLabyrinth.java b/Mage.Sets/src/mage/sets/bornofthegods/SpiritOfTheLabyrinth.java
index b17c9bef2eb..6488dad0342 100644
--- a/Mage.Sets/src/mage/sets/bornofthegods/SpiritOfTheLabyrinth.java
+++ b/Mage.Sets/src/mage/sets/bornofthegods/SpiritOfTheLabyrinth.java
@@ -34,16 +34,12 @@ import mage.abilities.Ability;
 import mage.abilities.common.SimpleStaticAbility;
 import mage.abilities.effects.ContinuousRuleModifyingEffectImpl;
 import mage.cards.CardImpl;
-import mage.constants.CardType;
-import mage.constants.Duration;
-import mage.constants.Outcome;
-import mage.constants.Rarity;
-import mage.constants.WatcherScope;
-import mage.constants.Zone;
+import mage.constants.*;
 import mage.game.Game;
 import mage.game.events.GameEvent;
 import mage.watchers.Watcher;
 
+
 /**
  *
  * @author LevelX2
@@ -96,9 +92,8 @@ class SpiritOfTheLabyrinthWatcher extends Watcher {
     @Override
     public void watch(GameEvent event, Game game) {
         if (event.getType() == GameEvent.EventType.DREW_CARD ) {
-            if (!playersThatDrewCard.contains(event.getPlayerId())) {
                 playersThatDrewCard.add(event.getPlayerId());
-            }
+
         }
     }
 
diff --git a/Mage.Sets/src/mage/sets/conspiracytakethecrown/LeovoldEmissaryOfTrest.java b/Mage.Sets/src/mage/sets/conspiracytakethecrown/LeovoldEmissaryOfTrest.java
index e0a08a99236..7f372c4baf4 100644
--- a/Mage.Sets/src/mage/sets/conspiracytakethecrown/LeovoldEmissaryOfTrest.java
+++ b/Mage.Sets/src/mage/sets/conspiracytakethecrown/LeovoldEmissaryOfTrest.java
@@ -43,6 +43,7 @@ import mage.game.permanent.Permanent;
 import mage.players.Player;
 import mage.watchers.Watcher;
 
+
 /**
  *
  * @author maxlebedev
@@ -99,9 +100,8 @@ class LeovoldEmissaryOfTrestWatcher extends Watcher {
     @Override
     public void watch(GameEvent event, Game game) {
         if (event.getType() == GameEvent.EventType.DREW_CARD ) {
-            if (!playersThatDrewCard.contains(event.getPlayerId())) {
                 playersThatDrewCard.add(event.getPlayerId());
-            }
+
         }
     }
 
diff --git a/Mage/src/main/java/mage/util/RandomUtil.java b/Mage/src/main/java/mage/util/RandomUtil.java
index 3881b61e4aa..e6ad5820213 100644
--- a/Mage/src/main/java/mage/util/RandomUtil.java
+++ b/Mage/src/main/java/mage/util/RandomUtil.java
@@ -8,21 +8,18 @@ import java.util.concurrent.ThreadLocalRandom;
  */
 public class RandomUtil {
 
-    private final static ThreadLocalRandom random = ThreadLocalRandom.current();
 
-    public static Random getRandom() {
-        return random;
-    }
+    public static Random getRandom() {return ThreadLocalRandom.current();}
 
     public static int nextInt() {
-        return random.nextInt();
+        return ThreadLocalRandom.current().nextInt();
     }
 
     public static int nextInt(int max) {
-        return random.nextInt(max);
+        return ThreadLocalRandom.current().nextInt(max);
     }
 
     public static boolean nextBoolean() {
-        return random.nextBoolean();
+        return ThreadLocalRandom.current().nextBoolean();
     }
 }