Samurai Skull (COTD-EN081) - Code of the Duelist Unlimited

When this card is Normal Summoned: You can send 1 Zombie monster from your Deck to the GY. If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 1 Level 4 or lower Zombie monster from your Deck, except "Samurai Skull".