You can use this information to make well-informed decisions about which cards to keep or discard yourself, as well as to gain insightful knowledge about their possiblerummy game rummy melds. An opponent may be attempting to finish a run in a certain suit if you observe them routinely discarding cards from that suit, for example. By being strategic & perceptive about your own discards, you can advance your own plans while upsetting theirs. Throughout the game, effective hand management is another essential tactic.