Gemcutter Buccaneer is a rare Creature — Orc Pirate Artificer card from The Lost Caverns of Ixalan Commander (LCC), collector number 55. Current market price: $0.78, TCGplayer market prices via Scryfall.
Whenever this creature or another Pirate you control enters, create a tapped Treasure token. Treasures you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0," equip Pirate {1}, and equip {3}.