Irquette, the Tsunami

: Whenever you cast a noncreature spell, put a loyalty counter on Irquette, the Tsunami.
-1: Until end of turn, creatures with prowess you control get an additional +1/+1 per activation of the prowess ability.
-8: Return all creatures without prowess to their owners' hands. Creatures with prowess you control get +4/+4 until end of turn.