Bladed Battle-Fan is a common Artifact — Equipment card from March of the Machine (MOM), collector number 91. Current market price: $0.28 (foil $0.26), TCGplayer market prices via Scryfall.
Flash When this Equipment enters, attach it to target creature you control. That creature gains indestructible until end of turn. Equipped creature gets +1/+0. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)