As wild cards in Rummy, jokers can be any card in a meld, making them extremely useful tools for players. Gaining an advantage over your rivals can bewinning jackpot slots real money achieved by knowing how to use jokers effectively. Using jokers to finish challenging melds that would otherwise call for particular, potentially difficult-to-get cards is one tactic. A joker, for example, can help you reach a sequence or set faster if you're just one card away from finishing it.