The joker is a wild card in most variations of rummy that can be used to replace any other card in a set or run. You can have a big advantage in quickly forming sets and runs if you cayono+slotsn identify and use wild cards well. When you hold a wild card, you should think about the best way to utilize it to finish sets and runs. You can use the wild card to complete a set, for instance, if you have two natural cards of the same rank & one wild card. Also, wild cards can be strategically employed to form surprising combos that can surprise your opponents.