diff --git a/Mage.Sets/src/mage/sets/timespiral/HarmonicSliver.java b/Mage.Sets/src/mage/sets/timespiral/HarmonicSliver.java
index 73ee5aa5443..e030f46ce5f 100644
--- a/Mage.Sets/src/mage/sets/timespiral/HarmonicSliver.java
+++ b/Mage.Sets/src/mage/sets/timespiral/HarmonicSliver.java
@@ -74,10 +74,12 @@ public class HarmonicSliver extends CardImpl<HarmonicSliver> {
 
         // All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."
         Ability ability = new EntersBattlefieldTriggeredAbility(new DestroyTargetEffect(), false);
-        ability.addTarget(new TargetPermanent(filter));
+        TargetPermanent target = new TargetPermanent(filter);
+        target.setRequired(true);
+        ability.addTarget(target);
         this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new GainAbilityAllEffect(
                 ability, Duration.WhileOnBattlefield,
-                filter, "All Slivers have \"When this permanent enters the battlefield, destroy target artifact or enchantment.\"")));
+                filterSliver, "All Slivers have \"When this permanent enters the battlefield, destroy target artifact or enchantment.\"")));
     }
 
     public HarmonicSliver(final HarmonicSliver card) {