Blood Queen Viscera

{1}{b}{b}, {t}: Return target Vampire from your graveyard to the battlefield with converted mana
cost equal to or less than the amount of life you
gained this turn. It gains haste until end of turn.
Menace, haste, double strike
Whenever you gain life, target player loses 1 life.
Whenever a Vampire you control attacks, you
gain 1 life.