Bladed Bracers is a common Artifact — Equipment card from Avacyn Restored (AVR), collector number 213. Current market price: $0.12 (foil $0.37), TCGplayer market prices via Scryfall.
Equipped creature gets +1/+1. As long as equipped creature is a Human or an Angel, it has vigilance. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)