Advanced format ruling
Zombie Mammoth
Card effect (current official text)Destroy this card if you do not have a Zombie-Type monster in your Graveyard. When this face-up card is destroyed, inflict damage to its controller equal to its original ATK.
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.