Flying, vigilance

Snow lands your opponents control enter the battlefield tapped.

Noncreature spells your opponents cast with converted mana cost 4 or more cost {2} more to cast.

2/3

Valkmira, Protector's Shield {3}{W}

Legendary Artifact

If a source an opponent controls would deal damage to you or a permanent you control, prevent 1 of that damage.

Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.