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 - $7.80
LP - $6.30
MP - $4.70
HP - $3.20
DMG - $1.60