Tooth of Chiss-Goria is a common Artifact card from Mirrodin (MRD), collector number 264. Current market price: $0.17 (foil $4.21), TCGplayer market prices via Scryfall.
Flash Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) {T}: Target creature gets +1/+0 until end of turn.