Magi shows miniature deck of cards and explains he has marked a prediction card with an X.
 
Spectator holds deck.

Magi shows regular deck and shuffles it. Spectator shuffles it also and chooses a card.

Miniature deck is ribbon spread on the table.  An X is found on matching card to spectator’s chosen card.
 
Condition Notes:  Although new, their is some price sticker damage on the front of instructions.