Sensational Spider-Man is a rare Legendary Creature — Spider Human Hero card from Marvel's Spider-Man Eternal (SPE), collector number 25. Current market price: $3.61 (foil $2.75), TCGplayer market prices via Scryfall.
Whenever Sensational Spider-Man attacks, tap target creature defending player controls and put a stun counter on it. Then you may remove up to three stun counters from among all permanents. Draw cards equal to the number of stun counters removed this way.