Jokers and wild cards are important tools in the game of rummy because they can be used in place of any other card in the deck. Your chances of creating winning combinations can be greslots meta rummyatly increased by recognizing these useful cards and including them in your hand. Examining the Discards of Rivals. Also, you can learn a lot about your opponents' potential key combinations by observing the cards that they discard. Players can strategically gather and use key card combinations to their advantage when playing rummy by remaining alert & perceptive.