Kel'Thuzad, Lich Lord

Death-Touch, Lifelink, Undying
Other zombies you control get +3/+3 and lifelink.
{3}{u}{b}{r}{t}: return target zombie creature in your graveyard to your hand.
{u}{t}: Discard a card, counter target spell.
" Who dares violate the sanctity of my domain? Be warned, all who trespass here are doomed."