By monitoring which cards have been discarded, you can gain knowledge about what your opponents may be holding & improve your decision-making regarding your rummy hotown hand. The choice of whether to discard or keep a card can have a big effect on your Ares Rummy winnings. Players need to learn to discard cards with a keen sense of timing. It can be dangerous to hold onto valuable cards that don't help you make melds, particularly if they will eventually become dead weight.