Finn Edwards, the Bootlegger

{x}{1}{b}{b}, {t}: Search your library for a non-land
card with converted mana cost X or less, reveal it, and put it into your hand. Then shuffle your library.
You lose X life.
Whenever a player casts a black spell, you may
pay {2}{b}. If you do, exile Finn Edwards. Return
it to the battlefield tapped at the beginning of
the next end step.
"I usually just run liquor, but I can get that."