Hookblade is a uncommon Artifact — Equipment card from Assassin's Creed (ACR), collector number 6. Current market price: $0.26 (foil $0.27), TCGplayer market prices via Scryfall.
When this Equipment enters, attach it to target creature you control. Equipped creature gets +1/+0. During your turn, equipped creature has flying. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)