Scrap Fist (L5DD-ENY24) [Legendary 5D's Decks]

Target 1 "Junk Warrior" you control; if it battles an opponent's monster this turn while you control it, apply these effects.<br>• Your opponent cannot activate cards or effects until the end of the Damage Step.<br>• If it attacks a Defense Position monster, inflict piercing battle damage to your opponent.<br>• Double any battle damage your opponent takes.<br>• It cannot be destroyed by battle.<br>• Destroy the opponent's monster that battled it at the end of the Damage Step.