Priests of Norn is a common Creature — Phyrexian Cleric card from Mirrodin Besieged (MBS), collector number 16. Current market price: $0.24 (foil $1.20), TCGplayer market prices via Scryfall.
Vigilance Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)