Cheat at ANY game of cards using this neat method. Scam School shows you how to make slight alterations to a deck of cards, completely unnoticable to anyone, allowing you to know what card(s) they have.
Once you've made your marked deck, there's literally no limit to the tricks an scams you can pull on your friends. From cheating at poker to busting out an unbelievable mind-reading trick... Anything's possible!