Spiked Pit Trap is a common Artifact card from Adventures in the Forgotten Realms (AFR), collector number 251. Current market price: $0.25 (foil $0.29), TCGplayer market prices via Scryfall.
Flash {5}, {T}, Sacrifice this artifact: Choose target creature, then roll a d20. 1—9 | This artifact deals 5 damage to that creature. 10—20 | This artifact deals 5 damage to that creature. Create a Treasure token.