The Dredger

Begin the game with this card revealed.
During your upkeep, Surveil 3. Creatures
in your graveyard have Scavenge equal to
{2} more than their mana cost and
Undergrowth-when this creature enters
the battlefield, you gain 1 life for each
creature in your graveyard.
Win: Have no creatures in your graveyard
and none in your library.