diff --git a/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java b/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java
index 287b31752c6..a7c5a914c97 100644
--- a/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java
+++ b/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java
@@ -617,7 +617,7 @@ public class ComputerPlayer6 extends ComputerPlayer /*implements Player*/ {
         } // end of for (allActions)
 
         if (depth == maxDepth) {
-            logger.info(new StringBuilder("Sim Prio [").append(depth).append("] -- End for Max Depth  -- Nodes calculated: ").append(SimulationNode2.nodeCount));
+            logger.info("Sim Prio [" + depth + "] -- End for Max Depth  -- Nodes calculated: " + SimulationNode2.nodeCount);
         }
         if (bestNode != null) {
             node.children.clear();
diff --git a/Mage/src/main/java/mage/abilities/keyword/FlashbackAbility.java b/Mage/src/main/java/mage/abilities/keyword/FlashbackAbility.java
index aa457aea70a..13f489dd365 100644
--- a/Mage/src/main/java/mage/abilities/keyword/FlashbackAbility.java
+++ b/Mage/src/main/java/mage/abilities/keyword/FlashbackAbility.java
@@ -126,8 +126,8 @@ public class FlashbackAbility extends SpellAbility {
                 spellAbilityCopy.setId(this.getId());
                 spellAbilityCopy.getManaCosts().clear();
                 spellAbilityCopy.getManaCostsToPay().clear();
-                spellAbilityCopy.getCosts().addAll(this.getCosts());
-                spellAbilityCopy.addCost(this.getManaCosts());
+                spellAbilityCopy.getCosts().addAll(this.getCosts().copy());
+                spellAbilityCopy.addCost(this.getManaCosts().copy());
                 spellAbilityCopy.setSpellAbilityCastMode(this.getSpellAbilityCastMode());
                 spellAbilityToResolve = spellAbilityCopy;
                 ContinuousEffect effect = new FlashbackReplacementEffect();