Treasure Chest is a rare Artifact card from Adventures in the Forgotten Realms (AFR), collector number 395. Current market price: $0.52 (foil $0.47), TCGplayer market prices via Scryfall.
{4}, Sacrifice this artifact: Roll a d20. 1 | Trapped! — You lose 3 life. 2—9 | Create five Treasure tokens. 10—19 | You gain 3 life and draw three cards. 20 | Search your library for a card. If it's an artifact card, you may put it onto the battlefield. Otherwise, put that card into your hand. Then shuffle.