Storm Crow, Force of Will

+2: You may search your library for a Creature named Storm Crow and put it into your hand. If you do, Shuffle your library.
-3: You may pay 1 life and exile a blue card from your hand. If you do, Counter target spell. You may activate this ability at any time.
-10: Destroy all creatures not named Storm Crow. You draw a card and gain 1 life for each creature destroyed this way.