Volthrom, The Afflicted

Trample, vigilance
Volthrom, The Afflicted has a -1/-1 counter for
each creature in your graveyard.
{b}{b}: Exile 2 cards from your graveyard. You
gain 1 life for each creature exiled.
{w}{w}: Put the top 5 cards of your library
into your graveyard. You gain {w/b}{w/b}{w/b} this
turn.