☰ mtdb > Tricks > Trick< Back to all tricksKey Card Mystery Permalink: mtdb.co/?KeyCardMystery Creator: Merlins of Wakefield The spectator freely selects ANY card (no force), signs it and returns it to the pack. You now explain that a magician uses many ways to locate a card in the deck, and you will now show them the most popular. This method is called the 'Key Card Principle', You explain that one of the cards is very... Buy From: REVIEWS No Reviews Yet. about | login | register | dealers | tricks | creators | contact |