When drawing a wild card or joker, think about how it will improve your hand the most. To swiftly complete a meld, for example, if you have two cards of a run but are mjoyrummyissing one card to finish it, you can use a joker. Jokers must be used sparingly, though. If they don't make a substantial contribution to the progression of your hand, holding onto them for an extended period of time may result in missed opportunities. Also, consider how your use of jokers may influence the tactics of your opponents.