Voltaic Servant 
Artifact Creature — Construct
At the beginning of your end step, untap target artifact.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact Creature — Construct
At the beginning of your end step, untap target artifact.