Did this card trick go wrong?

I have been given the honour of testing a new effect soon to be released to the magic community by Vincent Reres. Proof of Insurance is such a great effect. The plot is timeless, the props first class, and the ending is filled with wonder! This was filmed at Hidden Wonders after the show is over and the guests have just experienced seventy-five minutes of amazing wonder. What could possibly make the night better? This...