diff --git a/Assets/0.SCENE/MainGame.unity b/Assets/0.SCENE/MainGame.unity
index 9faf0520..ead0ba4e 100644
--- a/Assets/0.SCENE/MainGame.unity
+++ b/Assets/0.SCENE/MainGame.unity
@@ -9131,7 +9131,7 @@ Transform:
   m_GameObject: {fileID: 85056388}
   serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 20.840582, y: 7.99, z: 20.65}
+  m_LocalPosition: {x: 36.23, y: 7.99, z: 20.65}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []
@@ -163981,6 +163981,10 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 172.153
       objectReference: {fileID: 0}
+    - target: {fileID: 2669107996035270001, guid: 9f51c4433e5c81644807e9e547b7826c, type: 3}
+      propertyPath: m_ConstrainProportionsScale
+      value: 1
+      objectReference: {fileID: 0}
     - target: {fileID: 4085536598674672635, guid: 9f51c4433e5c81644807e9e547b7826c, type: 3}
       propertyPath: m_Size.x
       value: 0.003
diff --git a/Assets/Scripts/Level_Scripts/LevelUpUIManager.cs b/Assets/Scripts/Level_Scripts/LevelUpUIManager.cs
index 96119ee0..a46b553d 100644
--- a/Assets/Scripts/Level_Scripts/LevelUpUIManager.cs
+++ b/Assets/Scripts/Level_Scripts/LevelUpUIManager.cs
@@ -35,38 +35,37 @@ public class LevelUpUIManager : MonoBehaviour
         Time.timeScale = 0f;
 
         _selectedCardUI = null;
-        if (applyButton != null) applyButton.interactable = false; // 시작 땐 버튼 비활성
+        if (applyButton != null) applyButton.interactable = false;
 
         foreach (Transform child in cardParent)
             Destroy(child.gameObject);
 
         int slotCount = 2;
 
-        // ⭐ [에러 해결] selectedCards를 여기서 확실히 선언합니다!
+        /* =========================
+         * 1️⃣ CardData 선택 (중복 없음)
+         * ========================= */
         List<CardData> selectedCards = new List<CardData>();
+        List<CardData> tempDataPool = new List<CardData>(cardPool);
 
-        if (cardPool.Count >= slotCount)
-        {
-            List<CardData> tempPool = new List<CardData>(cardPool);
-            for (int i = 0; i < slotCount; i++)
-            {
-                int idx = Random.Range(0, tempPool.Count);
-                selectedCards.Add(tempPool[idx]);
-                tempPool.RemoveAt(idx);
-            }
-        }
-        else // 카드 부족 시 순환
-        {
-            for (int i = 0; i < slotCount; i++)
-                selectedCards.Add(cardPool[i % cardPool.Count]);
-        }
-
-        // 카드 생성 및 셋업
         for (int i = 0; i < slotCount; i++)
         {
-            // 프리팹 랜덤 선택 후 생성
-            CardUI ui = Instantiate(cardPrefabs[Random.Range(0, cardPrefabs.Length)], cardParent);
-            ui.Setup(selectedCards[i], this); // ⭐ 이제 selectedCards 에러가 뜨지 않습니다!
+            int idx = Random.Range(0, tempDataPool.Count);
+            selectedCards.Add(tempDataPool[idx]);
+            tempDataPool.RemoveAt(idx);
+        }
+
+        /* =========================
+         * 2️⃣ CardUI 프리팹 선택 (중복 없음)
+         * ========================= */
+        List<CardUI> tempPrefabs = new List<CardUI>(cardPrefabs);
+
+        for (int i = 0; i < slotCount; i++)
+        {
+            int idx = Random.Range(0, tempPrefabs.Count);
+            CardUI ui = Instantiate(tempPrefabs[idx], cardParent);
+            ui.Setup(selectedCards[i], this);
+            tempPrefabs.RemoveAt(idx);
         }
     }