Flying, vigilance Snow lands your opponents control enter tapped. Noncreature spells your opponents cast with mana value 4 or greater cost {2} more to cast.
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If a source an opponent controls would deal damage to you or a permanent you control, prevent 1 of that damage. Whenever you or another permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.