The Underrealm Spawner

When this creature enters the battlefield destroy
all other non-zombie, non-skeleton creatures
Sacrifice three zombies, {6}{p/b}{p/b}{p/b}{t}: choose one
• create thirteen 2/2 black zombies with deathtouch
• create six 6/6 black skeleton demons with
flying and trample
• create a 5/9 legendary skeleton spirit with doublestrike, fear, and wither named
The Grim Reaper