Bident of Thassa is a rare Legendary Enchantment Artifact card from Masters 25 (A25), collector number 42. Current market price: $0.90 (foil $3.45), TCGplayer market prices via Scryfall.
Whenever a creature you control deals combat damage to a player, you may draw a card. {1}{U}, {T}: Creatures your opponents control attack this turn if able.