If a problem is manufactured, the cards are disclosed. In case the preceding player was bluffing, they have to pick up the entire pile of cards. Should they weren't bluffing, the challenger should pick up the pile. You may want to steer clear of needless calls early in the game. https://nh77654.theideasblog.com/39671274/a-secret-weapon-for-what-are-the-rules-for-deceiving-opponents-in-bluffing-games