Arbitrary Corpse Summoner

Whenever Arbitrary Corpse Summoner enters the battlefield, he creates 2 black Mutated Corpse Walker creature tokens.
At the beginning of your upkeep throw a dice,
if it's 4 Arbitrary Corpse Summoner creates two black Mutated Corpse Walker creature tokens. Sacrifice him.
The tokens created by Arbitrary Corpse Summoner have 3/2.