Experimental Armor is a uncommon Artifact — Equipment card from Marvel Super Heroes Commander (MSC), collector number 543. Current market price: $0.23, TCGplayer market prices via Scryfall.
Equipped creature gets +1/+1 and has flying and haste. (It can't be blocked except by creatures with flying or reach. It can attack and {T} as soon as it comes under your control.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)