Vampire Warrior

Whenever Vampire Warrior deals damage to
target opponent, you may search your library for
a card and put it into your hand. Shuffle your
library.
{b}{b}: Pay X life. Search your library for a
creature card with converted mana cost X or less
and put it into your hand.
{b}{b}: Sacrifice a creature. You gain life equal to
it`s converted mana cost.