Nightmare Archfiends (CRMS-EN068) - Crimson Crisis Unlimited

Tribute 1 monster. Special Summon 3 Nightmare Archfiend Tokens (Fiend-Type/DARK/Level 6/ATK 2000/DEF 2000) to your opponent's side of the field in Attack Position. When a Nightmare Archfiend Token is destroyed, the controller of that Token takes 800 damage.