Purging Scythe 
Artifact
At the beginning of your upkeep, this artifact deals 2 damage to the creature with the least toughness. If two or more creatures are tied for least toughness, you choose one of them.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL