This effect was created by Heinz Lurz c. 1978. It was also made by Tony Lackner for Harold Voit c. 1983 and released again by Eckhard Boettcher c. 1992. This is the original version created by Heinz Lurz.
It is a variation of Dr. Jaks’ Supersonic Card Prediction with a number of clever ruses that make it quite different from the original.
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