Magical Hats (LCYW-EN096) - Legendary Collection 3: Yugi's World 1st Edition

Activate only during your opponent's Battle Phase. Select 2 non-Monster Cards from your Deck and 1 monster you control. Shuffle those 3 cards and Set them on the field in face-down Defense Position. The 2 cards selected from your Deck are treated as monsters (ATK 0/DEF 0) and are destroyed at the end of the Battle Phase.