diff --git a/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallApiCard.java b/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallApiCard.java
index 5d9385f48d7..9c527825a78 100644
--- a/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallApiCard.java
+++ b/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallApiCard.java
@@ -16,6 +16,7 @@ import java.util.Map;
  */
 public class ScryfallApiCard {
 
+    public String id;
     public String name;
     public String set; // set code
     public String collector_number;
diff --git a/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallImageSource.java b/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallImageSource.java
index 78671efc9ad..4087f85051d 100644
--- a/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallImageSource.java
+++ b/Mage.Client/src/main/java/org/mage/plugins/card/dl/sources/ScryfallImageSource.java
@@ -451,6 +451,7 @@ public class ScryfallImageSource implements CardImageSource {
 
         // bulk files are too big, so must read and parse it in stream mode only
         // 500k reprints in diff languages
+        Set<String> usedCards = new HashSet<>();
         Gson gson = new Gson();
         try (TFileInputStream inputStream = new TFileInputStream(textBulkPath.toFile());
              InputStreamReader inputReader = new InputStreamReader(inputStream);
@@ -478,6 +479,13 @@ public class ScryfallImageSource implements CardImageSource {
                     continue;
                 }
 
+                // workaround for duplicated lines in bulk data, see https://github.com/magefree/mage/issues/12817
+                if (usedCards.contains(card.id)) {
+                    logger.warn("WARNING, must report to scryfall about duplicated lines for bulk data: " + key + ", id " + card.id);
+                    continue;
+                }
+                usedCards.add(card.id);
+
                 // default versions list depends on scryfall bulk data order (en first)
                 bulkCardsDatabaseDefault.put(key, card);
                 bulkCardsDatabaseAll.add(card);