Aggression & caution must be balanced; while pursuing your melds is vital, being too aggressive can result in errors that your opponents can take advantage of. Discardrummy rsing is a key element in Game 51 that has a big impact on how the game turns out. The choice of which card to discard must be well thought out because it may give your opponents chances to finish their melds. An opponent's strategy can be upset by a well-timed discard, while one that is done carelessly may unintentionally help them.