Mathieu Bich - I Knew It
You show a red deck of cards, take it face up in your hand, and start dealing. Little by little, one by one. The spectator says stop at ANY TIME.
The card they say stop on (9 of hearts for example) is placed aside. You show all the cards, they all have a regular red back. When your turn the 9 of Hearts face down, the spectator can see on the back "I knew you would pick the 9 of Hearts!"
Instant reset, no sticky stuff of any kind, no short cards. Easy to make. Easy to perform.