나이트메어 매지션 (쿼터 센추리 시크릿 레어)

If this card battles a monster, neither can be destroyed by that battle. At the end of the Damage Step, if this card battled an opponent's monster: You can take control of that opponent's monster. Once per turn, at the start of the Damage Step, if another monster attacks: You can destroy 1 card on the field.