It is simpler to keep track of which cards are being picked up or discarded when there are more cards in play, which gives you important information about the melds your opponents might be attempwelth rummyting to create. By using this increased awareness to guide your own strategy, you can decide which cards to keep and which to discard with greater precision. It can result in a more interesting and competitive experience, but mastering this variation takes practice and astute observational skills. Aces can be used as either high or low cards in rummy, which makes them somewhat ambiguous.