The joker can have a greater impact if you save it for when you need it most, such as when you are almost done with several sets or runs. Alssatta kingjo, it's equally critical to know when to play your jokers & when to hold them back. By strategically using a joker, you can thwart an opponent's plans if you see that they are on the verge of winning and have been discarding cards that might help you finish your own sets or runs.