Evil HERO Malicious Fiend

[ Fiend / Fusion / Effect ] "Evil HERO Malicious Edge" + 1 Level 6 or higher Fiend monster Must be Special Summoned with "Dark Fusion". During your opponent's Battle Phase, all monsters they control are changed to face-up Attack Position, and each monster they control must attack this card, if able. ATK/ 3500 DEF/ 2100