Ambling Stormshell [Tarkir: Dragonstorm Promos]

Set: Tarkir: Dragonstorm Promos Type: Creature — Turtle Rarity: Rare Cost: {3}{U}{U} Ward 2Whenever this creature attacks, put three stun counters on it and draw three cards. (If a permanent with a stun counter would become untapped, remove one from it instead.)Whenever you cast a Turtle spell, untap this creature.