Chance

After I proved that Russian 'Mentalist' was a fraud on that late night show, I got a lot busier with busting supposed psychics and the like.

But this guy was difficult. He happily let me set the test, and swore he'd get a 100% success rate at guessing my cards.

He got thirty cards in before he messed up. I informed him as such, and he merely shrugged.

"Eh, it's still early days yet. This is only my 35th attempt or so. Ever seen Groundhog Day?"

...

After I proved that Russian 'Mentalist' was a fraud on that late night show...