diff --git a/forge-game/src/main/java/forge/game/cost/Cost.java b/forge-game/src/main/java/forge/game/cost/Cost.java
index f93303218f1..62957685e5c 100644
--- a/forge-game/src/main/java/forge/game/cost/Cost.java
+++ b/forge-game/src/main/java/forge/game/cost/Cost.java
@@ -515,13 +515,8 @@ public class Cost {
     }
 
     public final Cost copyWithDefinedMana(String manaCost) {
-        Cost toRet = new Cost(0);
-        toRet.isAbility = this.isAbility;
+        Cost toRet = copyWithNoMana();
         toRet.costParts.add(new CostPartMana(new ManaCost(new ManaCostParser(manaCost)), null));
-        for (CostPart cp : this.costParts) {
-            if (!(cp instanceof CostPartMana))
-                toRet.costParts.add(cp.copy());
-        }
         return toRet;
     }