Erich, The Unmovable

+1: If a creature you control doesn't have a +1/+1 counter on it, put one on it, then Proliferate.
-X: Create X 1/1 White Soldier Tokens with Lifelink.
-15: Exile all creatures, each player creates a 2/2 Black Zombie Token for each creature they controlled. Erich, the Unmovable can be your commander.