Speed, Young Avenger is a uncommon Legendary Creature — Mutant Hero card from Marvel Super Heroes (MSH), collector number 152. Current market price: $0.15 (foil $0.23), TCGplayer market prices via Scryfall.
Haste Whenever you cast a noncreature spell, you may pay {1}. When you do, target creature with haste can't be blocked this turn except by creatures with haste.