Playing this way allows players to see which cards have already been used and which are still in play. Players can use this information to determine which carsatts kingds to discard & which to keep, as well as to find out what cards their opponents might be holding. To formulate a winning strategy in Rummy, players must be able to make quick decisions about the cards in their hand, keep an eye out for discards, and maintain track of the cards that have been picked up & discarded.