Estermog, Hedron Schemer

+1: Create a 0/0 colorless Eldrazi Summon creature token. Put a +1/+1 counter on each colorless creature you control. .
-3: Create a colorless Hedron art enchantment token with: "When this enters the battlefield, exile target creature until this leaves the battlefield
-10: Destroy all colored permanents Estermog, Hedron Schemer becomes a 20/20 colorless indestructible creature, its still a plainswalker.