You can also Xyz Summon this card by using a "Number 69: Heraldry Crest" you control as the material. (Transfer its materials to this card.) Cannot be used as Xyz Material. You can only activate the ③ effect of "Number C69: Heraldry Stalker" once per turn.
①: If this card has an Xyz Monster as material, it is unaffected by your opponent's Spell/Trap effects.
②: Your opponent cannot Special Summon monsters whose original ATK is equal to this card's ATK.
③: (Quick Effect): You can detach 1 material from this card; declare a number between 0 and 52, then make this card's ATK 50 x that number, until the End Phase.ATK / 2600 DEF / 1400