Number X1: Cross Fighter Ichigo X

This card gains 1000 ATK for every Xyz Monster on the field. Once per turn: You can detach 1 Xyz Material from this card to target 2 other Xyz Monsters on the field: Negate their effects until the End Phase, and if you do, this card gains 500 ATK. If this card in its owner's control is destroyed by battle or an opponent's card effect while it has "Number 1: First Fighter Ichigo" as Xyz Material: Return this card to the Extra Deck, and if you do, you can Special Summon 1 "Number 1: First Fighter Ichigo" from either player's Graveyard. You must control "Number X0: Cross Master" to activate and resolve this effect.