Magebane Armor is a rare Artifact — Equipment card from Magic 2010 (M10), collector number 214. Current market price: $0.97 (foil $5.10), TCGplayer market prices via Scryfall.
Equipped creature gets +2/+4 and loses flying. Prevent all noncombat damage that would be dealt to equipped creature. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)