-Set game speed to 0.5 before selecting final blind
-Wait for Jokers to flip
-Before Jokers shuffle, click one Joker and hold another joker in your mouse while they shuffle
-The unknown sell value tag will stay on the Joker you clicked and you can put the joker you held wherever you want in relation to the other joker

You can know two of your Joker positions with this simple trick and basically nullify the boss. Fix incoming?