Doctor Spectrum is a uncommon Legendary Creature — Human Hero card from Marvel Super Heroes Commander (MSC), collector number 590. Current market price: $0.32 (foil $0.76), TCGplayer market prices via Scryfall.
Flying When Doctor Spectrum enters, choose one — • Create a 0/4 colorless Wall creature token with defender. • Put a +1/+1 counter on each other Hero you control. • Destroy target enchantment.