Frost Titan [Commander 2014]

Set: Commander 2014 Type: Creature — Giant Rarity: Mythic Cost: {4}{U}{U} Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.Whenever Frost Titan enters the battlefield or attacks, tap target permanent. It doesn't untap during its controller's next untap step.