Harmonic Prodigy 352 (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 - $8.40
LP - $6.70
MP - $5.00
HP - $3.40
DMG - $1.70