Fiendlash is a uncommon Artifact — Equipment card from Commander Masters (CMM), collector number 221. Current market price: $0.42 (foil $0.95), TCGplayer market prices via Scryfall.
Equipped creature gets +2/+0 and has reach. Whenever equipped creature is dealt damage, it deals damage equal to its power to target player or planeswalker. Equip {2}{R}