Purple Worm is a uncommon Creature — Worm card from Adventures in the Forgotten Realms (AFR), collector number 332. Current market price: $0.12 (foil $0.32), TCGplayer market prices via Scryfall.
This spell costs {2} less to cast if a creature died this turn. Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)