The Wandering DM

When The Wandering DM enters the battlefield roll a D20.
1: Exile The Wandering DM.
2-10: Create 2 2/2 black zombie horror tokens.
11-19: Create 4 2/2 black zombie horror tokens.
20: Create a 14/8 Black horror dragon token
with flying, lifelink, deathtouch and haste.