diff --git a/res/cardsfolder/m/myr_battlesphere.txt b/res/cardsfolder/m/myr_battlesphere.txt
index 989afea08a0..5e7aa66b5ca 100644
--- a/res/cardsfolder/m/myr_battlesphere.txt
+++ b/res/cardsfolder/m/myr_battlesphere.txt
@@ -6,7 +6,8 @@ T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.S
 SVar:TrigToken:AB$Token | Cost$ 0 | TokenAmount$ 4 | TokenName$ Myr | TokenTypes$ Artifact,Creature,Myr | TokenOwner$ You | TokenColors$ Colorless | TokenPower$ 1 | TokenToughness$ 1
 T:Mode$ Attacks | ValidCard$ Card.Self | OptionalDecider$ You | Execute$ TrigPump | TriggerDescription$ Whenever CARDNAME attacks, you may tap X untapped Myr you control. If you do, CARDNAME gets +X/+0 until end of turn and deals X damage to defending player.
 SVar:TrigPump:AB$ Pump | Cost$ tapXType<X/Myr> | NumAtt$ +ChosenX | NumDef$ +0 | SubAbility$ DBDealDamage
-SVar:DBDealDamage:DB$ DealDamage | Cost$ 0 | Defined$ Opponent | NumDmg$ ChosenX
+SVar:DBDealDamage:DB$ DealDamage | Cost$ 0 | Defined$ Opponent | NumDmg$ ChosenX | SubAbility$ DBCleanup
+SVar:DBCleanup:DB$ Cleanup | ClearChosenX$ True
 SVar:X:XChoice
 SVar:Rarity:Rare
 SVar:Picture:http://www.wizards.com/global/images/magic/general/myr_battlesphere.jpg
diff --git a/src/main/java/forge/card/abilityfactory/AbilityFactoryCleanup.java b/src/main/java/forge/card/abilityfactory/AbilityFactoryCleanup.java
index 18fb9963c3f..ed9b3ca5487 100644
--- a/src/main/java/forge/card/abilityfactory/AbilityFactoryCleanup.java
+++ b/src/main/java/forge/card/abilityfactory/AbilityFactoryCleanup.java
@@ -74,6 +74,9 @@ public final class AbilityFactoryCleanup {
         if (params.containsKey("ClearImprinted")) {
             sa.getSourceCard().clearImprinted();
         }
+        if (params.containsKey("ClearChosenX")) {
+            sa.getSourceCard().setSVar("ChosenX", "");
+        }
     }
 
 } // end class AbilityFactory_Cleanup