Levet, Pact Born

If you would search your library for a card you may search your library for a Demon creature card, reveal it and lose life equal to mana value and put it into your hand. This ability triggers once each turn.
Whenever you pay life you may pay an additional 1, if you do create a 2/2 Black Zombie Creature Token.
{b}{b}{t}, Sacrifice two other creatures: Search your library for a card, reveal it and put it into your hand, then mill cards and lose life equal to the mana value