Doc Samson, Super Psychiatrist is a uncommon Legendary Creature — Gamma Doctor Hero card from Marvel Super Heroes (MSH), collector number 164. Current market price: $0.28 (foil $0.36), TCGplayer market prices via Scryfall.
If you would put one or more counters on a permanent you control, put that many plus one of each of those kinds of counters on that permanent instead. {T}: Add X mana of any one color, where X is Doc Samson's power.