diff --git a/forge-core/src/main/java/forge/item/PaperCard.java b/forge-core/src/main/java/forge/item/PaperCard.java
index 50faeb151aa..f954e5aaab5 100644
--- a/forge-core/src/main/java/forge/item/PaperCard.java
+++ b/forge-core/src/main/java/forge/item/PaperCard.java
@@ -184,6 +184,10 @@ public final class PaperCard implements Comparable<IPaperCard>, InventoryItemFro
             return nameCmp;
         }
         // TODO compare sets properly
-        return this.edition.compareTo(o.getEdition());
+        int setDiff = this.edition.compareTo(o.getEdition());
+        if ( 0 != setDiff )
+            return setDiff;
+        
+        return Integer.compare(artIndex, o.getArtIndex());
     }
 }