... the start. The spectator reads it out loud:
"If I was not able to find your card on the first try, it means it is 12th from the top of the face-down deck."
He counts twelve cards and, indeed, finds his selection!
Everything is examinable. Easy to do. No sleights. No marking system. No Si Stebbins stack. No gimmick. The deck, the envelope and the piece of paper are completely normal. A red envelope and piece of paper are used to fit the "emergency" theme but any color will do.
In detail:
The magician shuffles a deck of cards. He explains that what he is about to perform is...
