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