Frost Titan is a mythic Creature — Giant card from Magic 2011 (M11), collector number 55. Current market price: $0.61 (foil $3.60), TCGplayer market prices via Scryfall.
Whenever this creature becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}. Whenever this creature enters or attacks, tap target permanent. It doesn't untap during its controller's next untap step.