Wilhelt, the Rotcleaver is a mythic Legendary Creature — Zombie Warrior card from Secret Lair Drop (SLD), collector number 862. Current market price: — (foil $120.15), TCGplayer market prices via Scryfall.
Whenever another Zombie you control dies, if it didn't have decayed, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.) At the beginning of your end step, you may sacrifice a Zombie. If you do, draw a card.