4 Level 5 monsters
When an opponent's monster declares an attack: You can destroy all cards your opponent controls. If this card has "Number 69: Heraldry Crest" as material, it gains this effect.
●Once per turn: You can detach 1 material from this card, then target 1 face-up Xyz Monster your opponent controls; until the End Phase, this card gains ATK equal to that monster's original ATK, this card's name becomes that monster's, also replace this effect with that monster's original effects.