diff --git a/Assets/Battle/BattleController.cs b/Assets/Battle/BattleController.cs
index b884848..ce42f18 100644
--- a/Assets/Battle/BattleController.cs
+++ b/Assets/Battle/BattleController.cs
@@ -92,7 +92,6 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
     // Start is called before the first frame update
     void Start()
     {
-        DecideEnemyTarget();
         StartHeroTurn();
     }
 
@@ -128,19 +127,12 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
             monster.ResetBlock();
         }
 
-        DealDamageEffect damageEffect = new DealDamageEffect(heroes[this.enemyTarget], 2);
-        this.Apply(damageEffect);
+        MonsterCard card = MonsterCardDatabase.CreateCard(MCardId.VampireFangs, this.monsters[0]);
+        StartCoroutine(UseMonsterCard(card));
 
-        DecideEnemyTarget();
         StartHeroTurn();
     }
 
-    private int enemyTarget;
-    private void DecideEnemyTarget() {
-        this.enemyTarget = Random.Range(0, 3);
-        Debug.Log("Will attack " + this.heroes[this.enemyTarget].GetDisplayName());
-    }
-
     public void NotifyHeroCardUsed(HeroCard card) {
         if (!CanUseHeroCard(card)) {
             throw new System.InvalidOperationException("Cannot use card " + card.GetDisplayName());
@@ -159,6 +151,11 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
         }
     }
 
+    public IEnumerator UseMonsterCard(MonsterCard card) {
+        yield return card.Use(this, this);
+        // TODO: Manage monster deck.
+    }
+
     public void NotifyHeroTurnPassed() {
         if (this.heroTurn) {
             StartEnemyTurn();
diff --git a/Assets/Battle/CardDatabase.cs b/Assets/Battle/CardDatabase.cs
index 5638cff..bb90ac1 100644
--- a/Assets/Battle/CardDatabase.cs
+++ b/Assets/Battle/CardDatabase.cs
@@ -20,7 +20,7 @@ public class CardDatabase
         {CardId.Thunderstorm, HeroId.Shaman},
     };
 
-    public static BaseCard CreateCard(CardId id, BattleParticipant owner) {
+    public static HeroCard CreateCard(CardId id, BattleParticipant owner) {
         switch (id)
         {
             case CardId.CrashingPunch:
diff --git a/Assets/Battle/CardsMonsters/MCardVampireFangs.cs b/Assets/Battle/CardsMonsters/VampireFangsMCard.cs
similarity index 89%
rename from Assets/Battle/CardsMonsters/MCardVampireFangs.cs
rename to Assets/Battle/CardsMonsters/VampireFangsMCard.cs
index cefb794..b243e1b 100644
--- a/Assets/Battle/CardsMonsters/MCardVampireFangs.cs
+++ b/Assets/Battle/CardsMonsters/VampireFangsMCard.cs
@@ -2,9 +2,9 @@
 using System.Collections.Generic;
 using UnityEngine;
 
-public class MCardVampireFangs : MonsterCard
+public class VampireFangsMCard : MonsterCard
 {
-    public MCardVampireFangs(BattleParticipant owner)
+    public VampireFangsMCard(BattleParticipant owner)
         : base(owner, MCardId.VampireFangs, "VampireFangs", 2, CardType.Attack,
             "Steals 2 HP from target.") {
     }
diff --git a/Assets/Battle/CardsMonsters/MCardVampireFangs.cs.meta b/Assets/Battle/CardsMonsters/VampireFangsMCard.cs.meta
similarity index 100%
rename from Assets/Battle/CardsMonsters/MCardVampireFangs.cs.meta
rename to Assets/Battle/CardsMonsters/VampireFangsMCard.cs.meta
diff --git a/Assets/Battle/MonsterCardDatabase.cs b/Assets/Battle/MonsterCardDatabase.cs
index 447634b..c424485 100644
--- a/Assets/Battle/MonsterCardDatabase.cs
+++ b/Assets/Battle/MonsterCardDatabase.cs
@@ -8,4 +8,13 @@ public enum MCardId {
 
 public static class MonsterCardDatabase
 {
+    public static MonsterCard CreateCard(MCardId id, BattleParticipant owner) {
+        switch (id)
+        {
+            case MCardId.VampireFangs:
+                return new VampireFangsMCard(owner);
+            default:
+                throw new System.ArgumentException("MCardId unknown", "id");
+        }
+    }
 }
diff --git a/TODO.txt b/TODO.txt
index 3b9369a..60d663e 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -1 +1,4 @@
 - Make API of IBattleEffectResolver take in effects instead of params
+- Make VampireFangs hit hero with highest HP
+- Control flow of battle with state machine or coroutines
+- Make battle end