Battlemage's Bracers is a rare Artifact — Equipment card from Commander 2021 (C21), collector number 375. Current market price: $4.56, TCGplayer market prices via Scryfall.
Equipped creature has haste. Whenever an ability of equipped creature is activated, if it isn't a mana ability, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy. Equip {2}