Dragonspark Reactor | 137 | Kamigawa: Neon Dynasty

Set: Kamigawa: Neon Dynasty
Rarity: U
#: 137
Creature Type or Sub Type: Artifact
Rules Text Contains: Whenever Dragonspark Reactor or another artifact enters the battlefield under your control, put a charge counter on Dragonspark Reactor.
4, Sacrifice Dragonspark Reactor: It deals damage equal to the number of charge counters on it to target player and that much damage up to one target creature.