card shark

An Italian card sharp who used infra-red contact lenses to count cards marked with invisible ink has been jailed for two years.

— Henry Samuel Fields folded in on himself like a cardsharp checking the aces up his sleeve … — Richard Alleva There was no evil which they would not believe of Mazarin, that he was a thief, a cardsharper , a perverted libertine … — H. A. L. Fisher also : a skilled card player … 350 big-time cardsharps convened last week for the 29th annual World Series of Poker at Binion's Horseshoe hotel and casino … — Tricia Laine and Andrew Essex

a person who makes money by cheating at card games