diff --git a/Mage.Sets/src/mage/cards/g/GuardianBeast.java b/Mage.Sets/src/mage/cards/g/GuardianBeast.java
index 1b4f2d0927c..807d204a9e0 100644
--- a/Mage.Sets/src/mage/cards/g/GuardianBeast.java
+++ b/Mage.Sets/src/mage/cards/g/GuardianBeast.java
@@ -84,7 +84,9 @@ class GuardianBeastConditionalEffect extends ContinuousRuleModifyingEffectImpl {
 
     @Override
     public boolean checksEventType(GameEvent event, Game game) {
-        return true;
+        return event.getType() == GameEvent.EventType.GAIN_CONTROL
+                || event.getType() == GameEvent.EventType.ATTACH
+                || event.getType() == GameEvent.EventType.TARGET;
     }
 
     @Override