Diffusion Wave-Motion (LCYW-EN066) - Legendary Collection 3: Yugi's World 1st Edition

Pay 1000 Life Points. Select 1 Level 7 or higher Spellcaster-Type monster on your side of the field. During this turn, only the selected monster can attack and it attacks all monsters on your opponent's side of the field once each. The effects of Effect Monsters destroyed by this attack(s) are not activated.