diff --git a/Mage.Sets/src/mage/sets/stronghold/SerpentWarrior.java b/Mage.Sets/src/mage/sets/stronghold/SerpentWarrior.java
index 35bd97ad80b..0f5ce1d50b7 100644
--- a/Mage.Sets/src/mage/sets/stronghold/SerpentWarrior.java
+++ b/Mage.Sets/src/mage/sets/stronghold/SerpentWarrior.java
@@ -28,12 +28,12 @@
 package mage.sets.stronghold;
 
 import java.util.UUID;
-import mage.constants.CardType;
-import mage.constants.Rarity;
 import mage.MageInt;
 import mage.abilities.common.EntersBattlefieldTriggeredAbility;
-import mage.abilities.effects.common.LoseLifeControllerEffect;
+import mage.abilities.effects.common.LoseLifeSourceEffect;
 import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Rarity;
 
 /**
  *
@@ -52,7 +52,7 @@ public class SerpentWarrior extends CardImpl<SerpentWarrior> {
         this.toughness = new MageInt(3);
 
         // When Serpent Warrior enters the battlefield, you lose 3 life.
-        this.addAbility(new EntersBattlefieldTriggeredAbility(new LoseLifeControllerEffect(3)));
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new LoseLifeSourceEffect(3)));
     }
 
     public SerpentWarrior(final SerpentWarrior card) {