Necron Overlord 
Artifact Creature — Necron Noble
Relentless March — 
, 
, Tap X untapped artifacts you control: Target opponent loses X life.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact Creature — Necron Noble
Relentless March — , , Tap X untapped artifacts you control: Target opponent loses X life.