Absolute Powerforce

Target 1 "Red Dragon Archfiend" you control; if that monster you control battles an opponent's monster this turn, apply these effects until the end of the Damage Step. <br>• It gains 1000 ATK. <br>• Your opponent cannot activate cards or effects. <br>• If it attacks a Defense Position monster, inflict piercing battle damage to your opponent. <br>• Any battle damage your opponent takes from that battle is doubled.