Namora, the Sea Queen is a uncommon Legendary Creature — Mutant Merfolk Hero card from Marvel Super Heroes Commander (MSC), collector number 632. Current market price: $0.29 (foil $0.85), TCGplayer market prices via Scryfall.
Flying Power-up — {5}{U}: Put a +1/+1 counter on Namora. Create two 1/1 blue Merfolk creature tokens. (Activate each power-up ability only once. Reduce the cost by her mana cost if she entered this turn.)