Wilhelt, the Rotcleaver (Display Commander) - Thick Stock Etched Foil (MIC-002) - Midnight Hunt Commander Display Commanders

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.