Ah Puch, God of Decay

Corpse Explosion - {b}{b}, {t}
Sacrifice X creatures: Ah Puch, God of Decay deals X damage to target opponent or heal X

Empty the Crypts - {2}{w}{b}{g}, {t}:
Return up to six creatures from your graveyard to the battlefield, tapped and attacking. Exile them at the beginning of your end step.