Heartfire Immolator 201 (Foundations)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {R}, Sacrifice this creature: It deals damage equal to its power to target creature or planeswalker.

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70