Flying (This creature can't be blocked except by creatures with flying or reach.), vigilance (Attacking doesn't cause this creature to tap.) Snow lands your opponents control enter tapped. Noncreature spells your opponents cast with mana value 4 or greater cost more to cast.

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 .