Kalajoi, Master of Battawan

Flash.
Encounter (Kalajoi, Master of Battawan counts as an instant and and a creature spell.)
Whenever you cast a noncreature spell, Kalajoi, Master of Battawan gets +1/+1 and gains "Noncreature spells cost {w}, {u} or {r}" until end of turn.
Kalajoi is both a being and an entity.