Imagine removing deck of cards and explaining that you have made a prediction before you left your home. You ask the spectator to name any card. You carefully remove the deck and show one face down card with a different colored back. It is slowly turned over to reveal it is the card named by the spectator! No forcing - it's an absolutely free choice.
An amazing deck of Bicycle cards that allows you to do a any of the easy to do miracles possible with the Svengali Deck however it also allows you to fan the deck of cards to show all of the cards are different.