Harbinger of Night 
Creature — Spirit
At the beginning of your upkeep, put a -1/-1 counter on each creature.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Spirit
At the beginning of your upkeep, put a -1/-1 counter on each creature.