Stolen Stark Tech is a common Artifact — Equipment card from Marvel Super Heroes (MSH), collector number 114. Current market price: $0.11 (foil $0.18), TCGplayer market prices via Scryfall.
Flash When this Equipment enters, attach it to target creature you control. That creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) Equipped creature gets +1/+0. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)