Donald Blake, Guise of Thor is a uncommon Legendary Creature — Human Doctor card from Marvel Super Heroes Commander (MSC), collector number 592. Current market price: $0.22 (foil $0.33), TCGplayer market prices via Scryfall.
Lifelink Power-up — {4}{W}{W}: Put two +1/+1 counters and a flying counter on Donald Blake. He becomes a God Warrior Hero. (He loses all other creature types. Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)