Nightstalker Engine 
Creature — Nightstalker
Nightstalker Engine's power is equal to the number of creature cards in your graveyard.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Nightstalker
Nightstalker Engine's power is equal to the number of creature cards in your graveyard.