The Vision and Scarlet Witch is a mythic Legendary Artifact Creature — Mutant Hero card from Marvel Super Heroes Commander (MSC), collector number 707. Current market price: $34.15 (foil $50.40), TCGplayer market prices via Scryfall.
Flying Whenever you cast a spell, add {R} and put a +1/+1 counter on The Vision and Scarlet Witch.