Gary, Merchant of Asphodel

Whenever Gary enters the battlefield or attacks, each
opponent loses X life where X is your devotion to black.
You gain life equal to the life lost this way. (Each
{b} in the mana costs of permanents you control counts
toward your devotion to black.)
Escape—{b}{b}{b}, Exile five other cards from your
graveyard. (You may cast this card from your graveyard
for its escape cost.)