Deathcaller

Delerium (This creature gets +3/+0 as long as there are four or more card types among your Graveyard.)
{2}{b}{b}: Create a X/X Zombie token creature on the battlefield that's a copy of a creature in your graveyard. When it dies, Exile it.
"Even I will help rid the world of the foul creatures that roam it right now."