Bevac, Dark Summoner

Lifelink, deathtouch
If a spell or ability causes you to lose 1 or more life, you may add {b} to your mana pool.
Whenever Bevac, Dark Summoner deals combat damage to a player, you may search your library for a horror or demon card, reveal it, and put it into your hand. You lose life equal to that cards converted mana cost. Then shuffle your library.