Jeskai Mentor

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Morph {w}{u}{r} (You may cast this face down as a
2/2 creature for . Turn it face up any time for its
morph cost.)
When this creature is turned face up, creatures
you control gain prowess until the end of your
turn.