Plague Stinger is a common Creature — Phyrexian Insect Horror card from Scars of Mirrodin (SOM), collector number 75. Current market price: $0.41 (foil $3.42), TCGplayer market prices via Scryfall.
Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)