The Kings and Queens change places, so the matched suit pairs come together. Then the entire deck is found to have shrunk into a miniature deck!

The magician removes a regular deck of cards from its case and separates out 2 Kings and 2 Queens. He returns the rest of the deck into the case and places it on the table in full view of the audience.  He now holds the four cards in a fan in the order King of Hearts, King of Clubs, Queen of Clubs and Queen of Hearts. He pairs the two Kings and places them face down on one side of the table and pairs the two Queens and places them on the other side. He casts his magic spell and shows that the cards have magically changed places and have become matched pairs of King of Hearts with Queen of Hearts and King of Clubs with Queen of Clubs.

He now gives these four cards to a spectator to hold saying, no matter where in the deck these cards will be placed & mixed, the magician can bring them out in a second. He takes the same pack of cards from the table, but as he takes the cards from the case, they are seen to have shrunk to a deck much smaller in size than before. The mini deck is handed over to the spectator and it's seen that all the cards have shrunk leaving the four cards that you are holding. (And of course those 4 poker-size cards can be found no matter where they are placed in the miniature deck!)

You get all the required cards – a gimmicked poker size deck, a miniature deck, and the extra cards required, with a detailed photo illustrated 3 page instruction sheet for performing this offbeat closeup routine.

Perform the routine as described or create your own. You can also just use the gimmick deck for a quick interlude, showing it poker-size, then shrinking it.