diff --git a/Assets/Battle/BaseCard.cs b/Assets/Battle/BaseCard.cs
new file mode 100644
index 0000000..6b4ac7d
--- /dev/null
+++ b/Assets/Battle/BaseCard.cs
@@ -0,0 +1,43 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public enum CardId {
+    CrashingPunch
+}
+
+public enum CardType {
+    Action
+}
+
+public abstract class BaseCard
+{
+    private CardId id;
+    private string displayName;
+    private int cost;
+    private CardType type;
+    private string effectText;
+
+    public BaseCard(CardId id, string displayName, int cost, CardType type, string effectText) {
+        this.id = id;
+        this.displayName = displayName;
+        this.cost = cost;
+        this.type = type;
+        this.effectText = effectText;
+    }
+
+    public abstract IEnumerator Use(BattlePlayerControls playerControls);
+
+    public CardId GetId() {return id;}
+    public string GetDisplayName() {return displayName;}
+    public int GetCost() {return cost;}
+    public string GetDisplayType() {
+        switch (type) {
+            case CardType.Action:
+                return "";
+            default:
+                throw new System.ArgumentException("CardType unknown", "cardType");
+        }
+    }
+    public string GetEffectText() {return effectText;}
+}
diff --git a/Assets/Battle/BaseCard.cs.meta b/Assets/Battle/BaseCard.cs.meta
new file mode 100644
index 0000000..6b67208
--- /dev/null
+++ b/Assets/Battle/BaseCard.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e40048c9e74d54948bcbc7d7cad13e95
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Battle/BattleController.cs b/Assets/Battle/BattleController.cs
index 8a4252a..a7386ac 100644
--- a/Assets/Battle/BattleController.cs
+++ b/Assets/Battle/BattleController.cs
@@ -29,11 +29,14 @@ public class BattleController : MonoBehaviour
             HeroId id = heroIds[i];
 
             heroes[i] = new BattleHero(id);
-            heroes[i].init();
+            heroes[i].Init();
 
             heroSprites[i] = HeroDatabase.createHeroSprite(id);
             heroSprites[i].name = "Hero" + i + "_Sprite";
             heroSprites[i].transform.position = new Vector3(-6 + 6 * i, 0, 0);
+            BattleParticipantSprite bps = heroSprites[i].AddComponent<BattleParticipantSprite>();
+            BattleParticipant participant = heroes[i];
+            bps.OnSpriteClicked += delegate() {battlePlayerControls.OnParticipantSpriteClicked(participant);};
 
             heroUIs[i] = (HeroInfoUI) Instantiate(heroUIPrefab.gameObject, uiCanvas.transform).GetComponent(typeof(HeroInfoUI));
             heroUIs[i].Init(heroSprites[i], heroes[i]);
@@ -46,11 +49,14 @@ public class BattleController : MonoBehaviour
             MonsterId id = monsterIds[i];
 
             monsters[i] = MonsterDatabase.createMonsterScript(id);
-            monsters[i].init();
+            monsters[i].Init();
 
             monsterSprites[i] = MonsterDatabase.createMonsterSprite(id);
             monsterSprites[i].name = "Monster" + i + "_Sprite";
             monsterSprites[i].transform.position = new Vector3(-6 + 6 * i, 3, 0);
+            BattleParticipantSprite bps = monsterSprites[i].AddComponent<BattleParticipantSprite>();
+            BattleParticipant participant = monsters[i];
+            bps.OnSpriteClicked += delegate() {battlePlayerControls.OnParticipantSpriteClicked(participant);};
 
             monsterUIs[i] = (HeroInfoUI) Instantiate(heroUIPrefab.gameObject, uiCanvas.transform).GetComponent(typeof(HeroInfoUI));
             monsterUIs[i].Init(monsterSprites[i], monsters[i]);
@@ -68,14 +74,14 @@ public class BattleController : MonoBehaviour
 
     public void HitRandomParticipant() {
         if (Random.Range(0f, 1f) < 0.5f) {
-            heroes[Random.Range(0, heroes.Length)].dealDamage(1);
+            heroes[Random.Range(0, heroes.Length)].DealDamage(1);
         } else {
-            monsters[Random.Range(0, monsters.Length)].dealDamage(2);
+            monsters[Random.Range(0, monsters.Length)].DealDamage(2);
         }
     }
 
-    public void OnCardUsed(int index) {
-        Debug.Log("OnCardClicked " + index);
-        HitRandomParticipant();
+    public void OnCardUsed(BaseCard card) {
+        Debug.Log("OnCardClicked " + card);
+        StartCoroutine(card.Use(battlePlayerControls));
     }
 }
diff --git a/Assets/Battle/BattleParticipant.cs b/Assets/Battle/BattleParticipant.cs
index ebe1efe..58d6eb4 100644
--- a/Assets/Battle/BattleParticipant.cs
+++ b/Assets/Battle/BattleParticipant.cs
@@ -8,23 +8,23 @@ public class BattleParticipant
     protected int hp;
     protected int maxHP;
 
-    public void init() {
+    public void Init() {
         this.hp = this.maxHP;
     }
 
-    public string getDisplayName() {
+    public string GetDisplayName() {
         return this.displayName;
     }
 
-    public int getHP() {
+    public int GetHP() {
         return this.hp;
     }
 
-    public int getMaxHP() {
+    public int GetMaxHP() {
         return this.maxHP;
     }
 
-    public void dealDamage(int damage) {
+    public void DealDamage(int damage) {
         this.hp -= damage;
         if (this.hp < 0) this.hp = 0;
     }
diff --git a/Assets/Battle/BattleParticipantSprite.cs b/Assets/Battle/BattleParticipantSprite.cs
new file mode 100644
index 0000000..076f2da
--- /dev/null
+++ b/Assets/Battle/BattleParticipantSprite.cs
@@ -0,0 +1,36 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BattleParticipantSprite : MonoBehaviour
+{
+    public delegate void SpriteClickedAction();
+    public event SpriteClickedAction OnSpriteClicked;
+
+    // Start is called before the first frame update
+    void Start() {
+        gameObject.AddComponent<BoxCollider2D>();
+    }
+
+    // Update is called once per frame
+    void Update() {
+    }
+
+    void OnMouseDown() {
+        Debug.Log("Clicked " + this.name);
+        OnSpriteClicked();
+    }
+
+    private Color savedColor;
+
+    void OnMouseEnter() {
+        SpriteRenderer sprite = GetComponent<SpriteRenderer>();
+        this.savedColor = sprite.color;
+        sprite.color = Color.Lerp(this.savedColor, Color.white, .5f);
+    }
+
+    void OnMouseExit() {
+        SpriteRenderer sprite = GetComponent<SpriteRenderer>();
+        sprite.color = this.savedColor;
+    }
+}
diff --git a/Assets/Battle/BattleParticipantSprite.cs.meta b/Assets/Battle/BattleParticipantSprite.cs.meta
new file mode 100644
index 0000000..d08a9f1
--- /dev/null
+++ b/Assets/Battle/BattleParticipantSprite.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f53484a8e76654248a278d9cc4910f0e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Battle/BattlePlayerControls.cs b/Assets/Battle/BattlePlayerControls.cs
index 8008e63..ba93956 100644
--- a/Assets/Battle/BattlePlayerControls.cs
+++ b/Assets/Battle/BattlePlayerControls.cs
@@ -5,13 +5,15 @@ using UnityEngine.UI;
 
 public class BattlePlayerControls : MonoBehaviour
 {
+    public BattleController battleController;
     public GameObject uiCanvas;
     public GameObject cardPrefab;
 
-    public delegate void CardUsedAction(int i);
+    public delegate void CardUsedAction(BaseCard card);
     public event CardUsedAction OnCardUsed;
 
-    private List<GameObject> cardsInHand;
+    private List<BaseCard> cardsInHand;
+    private List<GameObject> cardsInHandUIs;
 
     // Start is called before the first frame update
     void Start()
@@ -26,14 +28,19 @@ public class BattlePlayerControls : MonoBehaviour
     }
 
     public void SetHand(int numberOfCards) {
-        this.cardsInHand = new List<GameObject>();
+        this.cardsInHand = new List<BaseCard>();
+        this.cardsInHandUIs = new List<GameObject>();
         for (int i = 0; i < numberOfCards; i++) {
-            GameObject newCard = Instantiate(this.cardPrefab, this.uiCanvas.transform);
+            // TODO
+            BaseCard newCard = new CardCrashingPunch();
             this.cardsInHand.Add(newCard);
-            newCard.transform.position = CalculateCardPosition(i, numberOfCards);
-            Button button = newCard.GetComponent<Button>();
+
+            GameObject newCardUI = Instantiate(this.cardPrefab, this.uiCanvas.transform);
+            this.cardsInHandUIs.Add(newCardUI);
+            newCardUI.transform.position = CalculateCardPosition(i, numberOfCards);
+            newCardUI.GetComponent<CardUI>().Init(newCard);
             int cardIndex = i;
-            button.onClick.AddListener(delegate {OnCardClicked(cardIndex);});
+            newCardUI.GetComponent<Button>().onClick.AddListener(delegate {OnCardClicked(newCard);});
         }
     }
 
@@ -45,7 +52,27 @@ public class BattlePlayerControls : MonoBehaviour
         return new Vector3(Screen.width * 0.5f - DELTA / 2 * (count - 1) + DELTA * index, 160, 0);
     }
 
-    private void OnCardClicked(int index) {
-        OnCardUsed(index);
+    private void OnCardClicked(BaseCard card) {
+        OnCardUsed(card);
+    }
+
+    private bool waitingForTarget = false;
+    private BattleParticipant participantClicked = null;
+
+    public IEnumerator ChooseTarget(System.Action<BattleParticipant> targetCallback) {
+        this.waitingForTarget = true;
+        while (this.participantClicked == null) {
+            yield return null;
+        }
+        this.waitingForTarget = false;
+        targetCallback(participantClicked);
+        this.participantClicked = null;
+        yield break;
+    }
+
+    public void OnParticipantSpriteClicked(BattleParticipant paticipant) {
+        if (this.waitingForTarget) {
+            this.participantClicked = paticipant;
+        }
     }
 }
diff --git a/Assets/Battle/CardUI.cs b/Assets/Battle/CardUI.cs
index 8ca3ea6..18572e8 100644
--- a/Assets/Battle/CardUI.cs
+++ b/Assets/Battle/CardUI.cs
@@ -11,6 +11,13 @@ public class CardUI : MonoBehaviour
     public Image artImage;
     public Text effectText;
 
+    public void Init(BaseCard card) {
+        this.nameText.text = card.GetDisplayName();
+        this.typeText.text = card.GetDisplayType();
+        this.costText.text = "" + card.GetCost();
+        this.effectText.text = card.GetEffectText();
+    }
+
     // Start is called before the first frame update
     void Start()
     {
diff --git a/Assets/Battle/Cards.meta b/Assets/Battle/Cards.meta
new file mode 100644
index 0000000..aad1341
--- /dev/null
+++ b/Assets/Battle/Cards.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 4e4390544ec8a5d49a21725388e0b297
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Battle/Cards/CardCrashingPunch.cs b/Assets/Battle/Cards/CardCrashingPunch.cs
new file mode 100644
index 0000000..261a123
--- /dev/null
+++ b/Assets/Battle/Cards/CardCrashingPunch.cs
@@ -0,0 +1,17 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CardCrashingPunch : BaseCard
+{
+    public CardCrashingPunch() : base(CardId.CrashingPunch, "Crashing Punch", 3, CardType.Action, "Deals 3 damage to target.") {
+
+    }
+
+    public override IEnumerator Use(BattlePlayerControls playerControls) {
+        List<BattleParticipant> target = new List<BattleParticipant>();
+        yield return playerControls.StartCoroutine(playerControls.ChooseTarget((t) => {target.Add(t);}));
+        Debug.Log("Punching " + target[0]);
+        target[0].DealDamage(3);
+    }
+}
diff --git a/Assets/Battle/Cards/CardCrashingPunch.cs.meta b/Assets/Battle/Cards/CardCrashingPunch.cs.meta
new file mode 100644
index 0000000..fee9a23
--- /dev/null
+++ b/Assets/Battle/Cards/CardCrashingPunch.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ceb8168e4a1f0d24a91a86ec71f73a96
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Battle/HeroInfoUI.cs b/Assets/Battle/HeroInfoUI.cs
index 0917632..d0cc264 100644
--- a/Assets/Battle/HeroInfoUI.cs
+++ b/Assets/Battle/HeroInfoUI.cs
@@ -29,7 +29,7 @@ public class HeroInfoUI : MonoBehaviour
     void Start()
     {
         this.mainCamera = Camera.main;
-        this.nameText.text = this.battleParticipant.getDisplayName();
+        this.nameText.text = this.battleParticipant.GetDisplayName();
     }
 
     // Update is called once per frame
@@ -38,8 +38,8 @@ public class HeroInfoUI : MonoBehaviour
         Vector3 targetPos = this.mainCamera.WorldToScreenPoint(target.transform.position);
         transform.position = targetPos;
 
-        int hp = this.battleParticipant.getHP();
-        int maxHP = this.battleParticipant.getMaxHP();
+        int hp = this.battleParticipant.GetHP();
+        int maxHP = this.battleParticipant.GetMaxHP();
 
         if (this.renderedHP != hp || this.renderedMaxHP != maxHP) {
             this.renderedHP = hp;
diff --git a/Assets/Resources/HeroImages/AlchemistSprite.prefab b/Assets/Resources/HeroImages/AlchemistSprite.prefab
index 25afd93..b189ff9 100644
--- a/Assets/Resources/HeroImages/AlchemistSprite.prefab
+++ b/Assets/Resources/HeroImages/AlchemistSprite.prefab
@@ -71,7 +71,7 @@ SpriteRenderer:
   m_SortingLayer: 0
   m_SortingOrder: 0
   m_Sprite: {fileID: 21300000, guid: d3a33a2fc41587b4bb7e1d6a6218cb6b, type: 3}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.6666667, g: 0.6666667, b: 0.6666667, a: 1}
   m_FlipX: 0
   m_FlipY: 0
   m_DrawMode: 0
diff --git a/Assets/Resources/HeroImages/BruteSprite.prefab b/Assets/Resources/HeroImages/BruteSprite.prefab
index 7b4e208..c32d41a 100644
--- a/Assets/Resources/HeroImages/BruteSprite.prefab
+++ b/Assets/Resources/HeroImages/BruteSprite.prefab
@@ -71,7 +71,7 @@ SpriteRenderer:
   m_SortingLayer: 0
   m_SortingOrder: 0
   m_Sprite: {fileID: 21300000, guid: 0db4860a348ace4418e775be386e2cbd, type: 3}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.6666667, g: 0.6666667, b: 0.6666667, a: 1}
   m_FlipX: 0
   m_FlipY: 0
   m_DrawMode: 0
diff --git a/Assets/Resources/HeroImages/ShamanSprite.prefab b/Assets/Resources/HeroImages/ShamanSprite.prefab
index 0df030c..dbe8d2a 100644
--- a/Assets/Resources/HeroImages/ShamanSprite.prefab
+++ b/Assets/Resources/HeroImages/ShamanSprite.prefab
@@ -71,7 +71,7 @@ SpriteRenderer:
   m_SortingLayer: 0
   m_SortingOrder: 0
   m_Sprite: {fileID: 21300000, guid: fff60ca0f889c6b4bb3fa3b13d8a846b, type: 3}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.6666667, g: 0.6666667, b: 0.6666667, a: 1}
   m_FlipX: 0
   m_FlipY: 0
   m_DrawMode: 0