Kitesail is a common Artifact — Equipment card from Conspiracy: Take the Crown (CN2), collector number 212. Current market price: $0.09 (foil $0.40), 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.)