Ice King

Flying.
When Ice King enters the battlefield you may {t} target permanent opponent controls, it doesn't untap during its controllers next untap step as long as you control Ice King.
All Instant or Sorcery cards you control with {u} in it's mana cost gain Rebound (When a spell with Rebound enters the graveyard, at the beginning of your next upkeep cast that spell from your graveyard without paying the mana cost, then exile it)