In Go Rummy, jokers are wild cards that can greatly improve a player's set-and run-forming abilities. Knowing how to use jokers well can make all the difference in winnhow to check ifsc code in yono apping. One popular tactic is to use jokers to complete sets or replace hard-to-get high-point cards. Successful Joker Placement Techniques. When you have two kings but no third king to complete a set, for example, you can utilize a joker to complete that set while maintaining the flexibility of your hand for other possible combinations.