If an opponent routinely discards high-value cards, for instance, it can mean they are about to win and you should play more cautiously. Strategies for Balancing. You will new casino slotsbecome a more formidable opponent at the table and increase your chances of winning if you can balance these offensive & defensive tactics. In Rummy, choosing which cards to keep and which to discard is one of the most important choices. If your opponents can use the discarded card to finish their melds, it may create opportunities for them.