Elashor, Blighted Blade

+1: Create a colorless artifact token named Cursed Sword with "Equipped creature gets +1/-1 and has infect. Equip {2}"
-2: Distribute three -1/-1 counters among one, two, or three target creatures.
-7: Sacrifice X Cursed Sword artifact tokens: target player gets X poison counters and creatures that player controls get X -1/-1 counters.