The Dark Speaker

{b}{b}{b}Return any creature from any graveyard to your hand. Play that creature for free on your next turn. Creature is considered a zombie in addition to its other types and receives a +1/+! for every other creature returned this way in play.
{u}{u}{u}All your creatures gain hexproof and first strike until the end of turn.
{6}{b} Kill target creature, This creature cannot be returned to play by any other means other than as a zombie.