Dragonspark Reactor 137/302 (Kamigawa: Neon Dynasty) - Foil

Whenever this artifact or another artifact you control enters, put a charge counter on this artifact. {4}, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.

NM - $0.80
LP - $0.60
MP - $0.50
HP - $0.40
DMG - $0.30