Xyz Universe Target 2 face-up Xyz Monsters on the field; send both monsters to the Graveyard, then Special Summon 1 Xyz Monster from your Extra Deck, except a "Number" monster, whose Rank is equal to, or 1 less than, the combined original Ranks of those 2 Xyz Monsters, and if you do, attach this card to it as an Xyz Material. If you activated this card, your opponent takes no further damage this turn. Normal Trap Card trap