Judith, the Scourge Diva is a uncommon Legendary Creature — Human Shaman card from Commander Masters (CMM), collector number 341. Current market price: $0.24 (foil $0.35), TCGplayer market prices via Scryfall.
Other creatures you control get +1/+0. Whenever a nontoken creature you control dies, Judith deals 1 damage to any target.