Advanced format ruling
Kasha
Card effect (current official text)Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by controlling 2 or more Zombie monsters. If this card is Special Summoned: Shuffle as many other monsters on the field as possible into the Deck, and if you do, this card's ATK becomes 1000 x the number of face-up monsters shuffled into the Deck this way, whose original Type was Zombie.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.