Many Cards at Many Numbers by David Greene - ebook Marchand De Trucs and Mindbox Gabriel Werlen The marking system is derived

The marking system is derived from the iconic Butterfly Playing Cards marking system

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Many Cards at Many Numbers by David Greene - ebook Marchand De Trucs and Mindbox Gabriel Werlen The marking system is derivedIntroducing MANY CARDS AT MANY COLORS by David J. Greene There are expensive electronic devices that can tell you how many cards someone is holding and how many of each color. But what happens when the battery dies? This does the same thing. No electronics. No signals. No risk. Effect: You turn your back before anything begins and never turn around. A spectator cuts off a portion of the deck and counts their cards. You ask only one question, allowing