Drivnod, Carnage Dominus

Legendary Creature — Phyrexian Horror {3}{B}{B} 8/3

If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. {B/P}{B/P}, Exile three creature cards from your graveyard: Put an indestructible counter on Drivnod. ({B/P} can be paid with either {B} or 2 life.)