Imagine, a spectator freely thinks of one random card in the deck (No force). The magician turns away to not look. All whiles the spectator hold the deck and deal it into 2 piles one by one. Magician ask about the color of spectator's card, if it's red put the right pile into magician's hand, if it's black put the left pile into magician's hand. The same process happens with the suit And magically after that, even the magician did not know what suits they choose, but their card will be located at the number position same as the value of their card
+No force
+No sleight of hand