Cannot be Normal Summoned or Set. Must be Special Summoned (from your hand) by controlling 2 or more face-up Zombie-Type monsters, and cannot be Special Summoned by other ways. When this card is Special Summoned: Shuffle all other monsters on the field into the Decks; this card's ATK is equal to the number of face-up Zombie-Type monsters shuffled into the Deck this way x 1000.