Voltaic Whip is a common Artifact — Equipment card from Marvel Super Heroes Commander (MSC), collector number 675. Current market price: $0.27 (foil $0.27), TCGplayer market prices via Scryfall.
Equipped creature gets +2/+0 and has "Whenever this creature attacks alone, you draw a card and lose 1 life." Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)