Swiftfoot Boots is a uncommon Artifact — Equipment card from The Brothers' War Retro Artifacts (BRR), collector number 121z. Current market price: — (foil $374.50), TCGplayer market prices via Scryfall.
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)