Cannot be Normal Summoned or Set. Must first be Special Summoned by banishing 1 DARK monster from your Graveyard. Once per turn, during your opponent's Battle Phase: You can target 1 card your opponent controls; the targeted monster must attack this card. Any Battle Damage this card inflicts from a battle involving another monster is halved.
Just an idea that I rolled with. Could use suggestions, since I'm winging it here. CnC?