Winter, Cursed Rider 
Legendary Creature — Human Warlock
Ward—Pay 2 life.
Artifacts you control have "Ward—Pay 2 life."
Exhaust — 
, 
, Exile X artifact cards from your graveyard: Each other nonartifact creature gets -X/-X until end of turn. (Activate each exhaust ability only once.)
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL