4 Level 4 monsters You can also Xyz Summon this card by using a monster you control whose original name is "Number 69: Heraldry Crest".

(Transfer its materials to this card.) When your opponent activates a monster effect on the field, or an opponent's monster declares an attack (Quick Effect): You can Special Summon from your Extra Deck, 1 "Number 69: Heraldry Crest - Dark Matter Demolition" by using this face-up card you control as material, then destroy that opponent's monster.

(This is treated as an Xyz Summon.