diff --git a/forge-game/src/main/java/forge/game/ability/effects/DamageDealEffect.java b/forge-game/src/main/java/forge/game/ability/effects/DamageDealEffect.java
index 7045f669d4e..e22f554fd47 100644
--- a/forge-game/src/main/java/forge/game/ability/effects/DamageDealEffect.java
+++ b/forge-game/src/main/java/forge/game/ability/effects/DamageDealEffect.java
@@ -33,7 +33,7 @@ public class DamageDealEffect extends SpellAbilityEffect {
             return "";
 
         final List<Card> definedSources = AbilityUtils.getDefinedCards(sa.getHostCard(), sa.getParam("DamageSource"), sa);
-        Card source = definedSources.isEmpty() ? new Card(0) : definedSources.get(0);
+        Card source = definedSources.isEmpty() ? new Card(-1) : definedSources.get(0);
 
         if (source != sa.getHostCard()) {
             sb.append(source.toString()).append(" deals");
diff --git a/forge-game/src/main/java/forge/game/card/Card.java b/forge-game/src/main/java/forge/game/card/Card.java
index 18780bd8afa..ad97be6bd9c 100644
--- a/forge-game/src/main/java/forge/game/card/Card.java
+++ b/forge-game/src/main/java/forge/game/card/Card.java
@@ -261,7 +261,7 @@ public class Card extends GameEntity implements Comparable<Card>, IIdentifiable
      * @param id the unique id of the new card.
      */
     public Card(final int id0) {
-        this(id0, null);
+        this(id0, null, true);
     }
 
     /**
@@ -273,9 +273,12 @@ public class Card extends GameEntity implements Comparable<Card>, IIdentifiable
      * @see IPaperCard
      */
     public Card(final int id0, final IPaperCard paperCard0) {
+        this(id0, paperCard0, true);
+    }
+    public Card(final int id0, final IPaperCard paperCard0, final boolean allowCache) {
         super(id0);
 
-        if (id0 >= 0) {
+        if (id0 >= 0 && allowCache) {
             cardCache.put(id0, this);
         }
         paperCard = paperCard0;
diff --git a/forge-game/src/main/java/forge/game/card/CardUtil.java b/forge-game/src/main/java/forge/game/card/CardUtil.java
index 36722ac16aa..3d0ac1225c7 100644
--- a/forge-game/src/main/java/forge/game/card/CardUtil.java
+++ b/forge-game/src/main/java/forge/game/card/CardUtil.java
@@ -213,7 +213,7 @@ public final class CardUtil {
      * @return a copy of C with LastKnownInfo stuff retained.
      */
     public static Card getLKICopy(final Card in) {
-        final Card newCopy = new Card(in.getId(), in.getPaperCard());
+        final Card newCopy = new Card(in.getId(), in.getPaperCard(), false);
         newCopy.setSetCode(in.getSetCode());
         newCopy.setOwner(in.getOwner());
         newCopy.setController(in.getController(), 0);