diff --git a/Mage.Client/src/main/java/mage/client/deckeditor/collection/viewer/MageBook.java b/Mage.Client/src/main/java/mage/client/deckeditor/collection/viewer/MageBook.java
index 2dd577bd08b..623b5a434d5 100644
--- a/Mage.Client/src/main/java/mage/client/deckeditor/collection/viewer/MageBook.java
+++ b/Mage.Client/src/main/java/mage/client/deckeditor/collection/viewer/MageBook.java
@@ -464,7 +464,7 @@ public class MageBook extends JComponent {
         // first run for numbers list
         LinkedList<Integer> haveNumbers = new LinkedList<>();
         for (ExpansionSet.SetCardInfo card: cards){
-            int cardNumber = Integer.parseInt(card.getCardNumber());
+            int cardNumber = card.getCardNumberAsInt();
             startNumber = min(startNumber, cardNumber);
             endNumber = Math.max(endNumber, cardNumber);
             haveNumbers.add(cardNumber);
diff --git a/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/GathererSets.java b/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/GathererSets.java
index 57047e783df..5330c542cf4 100644
--- a/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/GathererSets.java
+++ b/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/GathererSets.java
@@ -220,9 +220,10 @@ public class GathererSets implements Iterable<DownloadJob> {
                 continue; // can't do other checks
             }
 
-            // 2. missing rarity icon:
-            // WARNING, need too much time (60+ secs), only for debug mode
             if (logger.isDebugEnabled()) {
+                // 2. missing rarity icon:
+                // WARNING, need too much time (60+ secs), only for debug mode
+                ///*
                 if ((set.getCardsByRarity(Rarity.COMMON).size() > 0) && !res.haveCommon) {
                     logger.error(String.format("Symbols: set have common cards, but don't download icon: %s (%s)", set.getCode(), set.getName()));
                 }
@@ -235,6 +236,30 @@ public class GathererSets implements Iterable<DownloadJob> {
                 if ((set.getCardsByRarity(Rarity.MYTHIC).size() > 0) && !res.haveMyth) {
                     logger.error(String.format("Symbols: set have mythic cards, but don't download icon: %s (%s)", set.getCode(), set.getName()));
                 }
+                //*/
+
+                // 3. wrong sets config with alternative numbers
+                // TODO: some sets have cards above maxCardNumberInBooster, need to check it (search code for maxCardNumberInBooster), maybe delete at all after getCardNumberAsInt implement
+                if ((set.getMaxCardNumberInBooster() == 0) || (set.getMaxCardNumberInBooster() == Integer.MAX_VALUE))
+                {
+                    for(ExpansionSet.SetCardInfo card: set.getSetCardInfo()){
+                        if (String.valueOf(card.getCardNumberAsInt()).length() != card.getCardNumber().length()){
+                            logger.error(String.format("Symbols: set have alternative card but do not config to it: %s (%s)", set.getCode(), set.getName()));
+                            break;
+                        }
+                    }
+                }
+
+                // 4. have nonland card above maxboosternumber (info)
+                if (set.getMaxCardNumberInBooster() != Integer.MAX_VALUE)
+                {
+                    for(ExpansionSet.SetCardInfo card: set.getSetCardInfo()){
+                        if (card.getRarity() == Rarity.LAND) { continue; }
+                        if (card.getCardNumberAsInt() > set.getMaxCardNumberInBooster()){
+                            logger.error(String.format("Symbols: set setup to cut off cards for boosters, non land card will be missing: %s (%s), %s - %s", set.getCode(), set.getName(), card.getCardNumber(), card.getName()));
+                        }
+                    }
+                }
             }
         }
 
diff --git a/Mage/src/main/java/mage/cards/ExpansionSet.java b/Mage/src/main/java/mage/cards/ExpansionSet.java
index 0b312c96aa1..790657e19bb 100644
--- a/Mage/src/main/java/mage/cards/ExpansionSet.java
+++ b/Mage/src/main/java/mage/cards/ExpansionSet.java
@@ -32,6 +32,7 @@ import mage.cards.repository.CardInfo;
 import mage.cards.repository.CardRepository;
 import mage.constants.Rarity;
 import mage.constants.SetType;
+import mage.util.CardUtil;
 import mage.util.RandomUtil;
 
 import java.io.Serializable;
@@ -82,6 +83,10 @@ public abstract class ExpansionSet implements Serializable {
             return this.cardNumber;
         }
 
+        public int getCardNumberAsInt(){
+            return CardUtil.parseCardNumberAsInt(this.cardNumber);
+        }
+
         public Rarity getRarity() {
             return this.rarity;
         }
@@ -388,9 +393,10 @@ public abstract class ExpansionSet implements Serializable {
                 criteria.doubleFaced(false);
             }
             savedCardsInfos = CardRepository.instance.findCards(criteria);
-            // Workaround after card number is numeric
+            // Workaround after card number is numeric (p.s. card number is not numeric for some cards)
+            // TODO: some sets have фывфывфывфывфыв
             if (maxCardNumberInBooster != Integer.MAX_VALUE) {
-                savedCardsInfos.removeIf(next -> Integer.valueOf(next.getCardNumber()) > maxCardNumberInBooster && rarity != Rarity.LAND);
+                savedCardsInfos.removeIf(next -> next.getCardNumberAsInt() > maxCardNumberInBooster && rarity != Rarity.LAND);
             }
 
             savedCards.put(rarity, savedCardsInfos);
@@ -431,4 +437,6 @@ public abstract class ExpansionSet implements Serializable {
         savedCards.clear();
     }
 
+    public int getMaxCardNumberInBooster() { return maxCardNumberInBooster; }
+
 }
diff --git a/Mage/src/main/java/mage/cards/repository/CardInfo.java b/Mage/src/main/java/mage/cards/repository/CardInfo.java
index 1600f5b82ad..7a725647d13 100644
--- a/Mage/src/main/java/mage/cards/repository/CardInfo.java
+++ b/Mage/src/main/java/mage/cards/repository/CardInfo.java
@@ -40,6 +40,7 @@ import mage.cards.*;
 import mage.cards.mock.MockCard;
 import mage.cards.mock.MockSplitCard;
 import mage.constants.*;
+import mage.util.CardUtil;
 import mage.util.SubTypeList;
 import org.apache.log4j.Logger;
 
@@ -374,6 +375,10 @@ public class CardInfo {
         return cardNumber;
     }
 
+    public int getCardNumberAsInt() {
+        return CardUtil.parseCardNumberAsInt(cardNumber);
+    }
+
     public boolean isSplitCard() {
         return splitCard;
     }
diff --git a/Mage/src/main/java/mage/util/CardUtil.java b/Mage/src/main/java/mage/util/CardUtil.java
index a91dd87bd07..301a26e83f2 100644
--- a/Mage/src/main/java/mage/util/CardUtil.java
+++ b/Mage/src/main/java/mage/util/CardUtil.java
@@ -382,6 +382,25 @@ public final class CardUtil {
         return true;
     }
 
+
+    /**
+     * Parse card number as int (support base [123] and alternative numbers [123b]).
+     *
+     * @param cardNumber origin card number
+     * @return int
+     */
+    public static int parseCardNumberAsInt(String cardNumber){
+
+        if (cardNumber.isEmpty()){ throw new IllegalArgumentException("Card number is empty.");}
+
+        if(Character.isDigit(cardNumber.charAt(cardNumber.length() - 1)))
+        {
+            return Integer.parseInt(cardNumber);
+        }else{
+            return Integer.parseInt(cardNumber.substring(0, cardNumber.length() - 1));
+        }
+    }
+
     /**
      * Creates and saves a (card + zoneChangeCounter) specific exileId.
      *