It takes experience and careful observation to recognize these strategies. You can increase your chances of winning at rummy by examining trends in the actions of rummy gold proyour opponents and modifying your approach accordingly. One of Rummy's most effective tools, the joker has the ability to drastically change the game's dynamics. Players can use it as a wild card to replace any other card that is required to finish a meld. However, careful thought is necessary to use the joker effectively.