Target 1 Dragon-Type Synchro Monster you control; equip this card to it. If it battles an opponent's monster, negate the effects of all face-up monsters your opponent controls until the end of the Damage Step. During the End Phase, if this card is in your Graveyard because it was sent there this turn: You can target 1 "Red Dragon Archfiend" in your Graveyard; Special Summon it.