Lightning-Core Excavator 
Artifact Creature — Golem
, 
, Sacrifice this creature: It deals 3 damage to any target.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact Creature — Golem
, , Sacrifice this creature: It deals 3 damage to any target.