diff --git a/Mage.Sets/src/mage/sets/mirrodin/ExtraplanarLens.java b/Mage.Sets/src/mage/sets/mirrodin/ExtraplanarLens.java
index 9d85c13d07..dc703c4389 100644
--- a/Mage.Sets/src/mage/sets/mirrodin/ExtraplanarLens.java
+++ b/Mage.Sets/src/mage/sets/mirrodin/ExtraplanarLens.java
@@ -129,6 +129,7 @@ class ExtraplanarLensTriggeredAbility extends TriggeredAbilityImpl {
 
     public ExtraplanarLensTriggeredAbility() {
         super(Zone.BATTLEFIELD, new AddManaOfAnyTypeProducedEffect());
+        this.usesStack = false;
     }
 
     public ExtraplanarLensTriggeredAbility(final ExtraplanarLensTriggeredAbility ability) {
diff --git a/Mage.Sets/src/mage/sets/shadowmoor/Valleymaker.java b/Mage.Sets/src/mage/sets/shadowmoor/Valleymaker.java
index 235b5a204a..3bf42bef6b 100644
--- a/Mage.Sets/src/mage/sets/shadowmoor/Valleymaker.java
+++ b/Mage.Sets/src/mage/sets/shadowmoor/Valleymaker.java
@@ -74,7 +74,7 @@ public class Valleymaker extends CardImpl {
         this.addAbility(ability);
         
         // {tap}, Sacrifice a Forest: Choose a player. That player adds {G}{G}{G} to his or her mana pool.
-        Ability ability2 = new SimpleActivatedAbility(Zone.BATTLEFIELD, new AddManaToManaPoolTargetControllerEffect(new Mana(0,3,0,0,0,0,0), "chosen player"), new TapSourceCost());
+        Ability ability2 = new SimpleActivatedAbility(Zone.BATTLEFIELD, new AddManaToManaPoolTargetControllerEffect(new Mana(0,3,0,0,0,0,0), "chosen player"), new TapSourceCost(), false);
         ability2.addCost(new SacrificeTargetCost(new TargetControlledPermanent(filter2)));
         ability2.addTarget(new TargetPlayer(1, 1, true));
         this.addAbility(ability2);
diff --git a/Mage/src/mage/abilities/common/SimpleActivatedAbility.java b/Mage/src/mage/abilities/common/SimpleActivatedAbility.java
index 9b9b93d93d..980428b840 100644
--- a/Mage/src/mage/abilities/common/SimpleActivatedAbility.java
+++ b/Mage/src/mage/abilities/common/SimpleActivatedAbility.java
@@ -52,6 +52,11 @@ public class SimpleActivatedAbility extends ActivatedAbilityImpl {
     public SimpleActivatedAbility(Zone zone, Effect effect, Cost cost) {
         super(zone, effect, cost);
     }
+    
+    public SimpleActivatedAbility(Zone zone, Effect effect, Cost cost, boolean usesStack) {
+        super(zone, effect, cost);
+        this.usesStack = usesStack;
+    }
 
     public SimpleActivatedAbility(SimpleActivatedAbility ability) {
         super(ability);