Colossus, Steel Stalwart is a uncommon Legendary Creature — Mutant Hero card from Marvel Super Heroes Commander (MSC), collector number 717. Current market price: $0.33 (foil $2.03), TCGplayer market prices via Scryfall.
During your turn, Colossus has indestructible. (Damage and effects that say "destroy" don't destroy him.) Other Mutants you control get +1/+1.