Harmonic Prodigy 132/303 (Modern Horizons 2)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) If an ability of a Shaman or another Wizard you control triggers, that ability triggers an additional time.

NM - $10.70
LP - $8.50
MP - $6.40
HP - $4.30
DMG - $2.20