Greatbow Doyen is a rare Creature — Elf Archer card from Morningtide (MOR), collector number 125. Current market price: $4.82 (foil $16.73), TCGplayer market prices via Scryfall.
Other Archer creatures you control get +1/+1. Whenever an Archer you control deals damage to a creature, that Archer deals that much damage to that creature's controller.