Number 69: Heraldry Crest

LIGHTXyz/Effect Monster

3 Level 4 monsters When this card is Special Summoned: Negate the effects of all other face-up Xyz Monsters currently on the field. You can target 1 other face-up Xyz Monster on the field; until the End Phase, this card's name and original effect become the same as that monster. You can only use this effect of "Number 69: Heraldry Crest" once per turn.