Creature — Demon 6/6, 5BB (7)
Rare
Flying, trample
At the beginning of your upkeep, sacrifice a non-Zombie creature, then put a 2/2 black Zombie creature token onto the battlefield.
The necropolis at Unx was once a living city, its streets untrodden by death.
Illus. Dave Allsop

10/1/2008: If Archdemon of Unx is the only non-Zombie creature you control when the triggered ability resolves, you'll have to sacrifice it. You'll still get a Zombie token.
10/1/2008: If you somehow control no non-Zombie creatures when the triggered ability resolves, you won't have to sacrifice anything. You'll still get a Zombie token.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern