Lich King, Undead Lord

{x},{t}: Search your library for a Zombie creature card with converted mana cost X and put it onto the battlefield tapped. It does not untap until your next upkeep.
{b}{b}{b}: Return a zombie creature card from your graveyard to the battlefield.
{2}{b}{b},{t}: Destroy target creature an opponent controls and return it to the battlefield under your control. It's a black zombie creature in addition to its other creature types.