Tatsumasa, the Dragon's Fang is a rare Legendary Artifact — Equipment card from Champions of Kamigawa (CHK), collector number 270. Current market price: $3.73 (foil $26.50), TCGplayer market prices via Scryfall.
Equipped creature gets +5/+5. {6}, Exile Tatsumasa: Create a 5/5 blue Dragon Spirit creature token with flying. Return Tatsumasa to the battlefield under its owner's control when that token dies. Equip {3}