Kitesail is a common Artifact — Equipment card from Modern Masters 2015 (MM2), collector number 218. Current market price: $0.20 (foil $0.24), TCGplayer market prices via Scryfall.
Equipped creature gets +1/+0 and has flying. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)