Captain's Hook is a rare Artifact — Equipment card from Rivals of Ixalan (RIX), collector number 177. Current market price: $0.29 (foil $0.42), TCGplayer market prices via Scryfall.
Equipped creature gets +2/+0, has menace, and is a Pirate in addition to its other creature types. Whenever this Equipment becomes unattached from a permanent, destroy that permanent. Equip {1}