Klaw, Master of Sound is a rare Legendary Creature — Elemental Rogue Villain card from Marvel Super Heroes Commander (MSC), collector number 46. Current market price: $0.22, TCGplayer market prices via Scryfall.
Deathtouch Whenever you play a card from exile, Klaw gains indestructible until end of turn. Whenever Klaw deals combat damage to a player, look at the top card of that player's library, then exile it face down. You may play it for as long as it remains exiled. Mana of any type can be spent to cast a spell this way.