Players may use this to make better-informed choices about which cards to discard & which to pick up, as well as when to declare "Rummy.". Because they can determine more precisely which cards are still in play arummy club apknd which have already been used, card counters can also help players decide which cards are safe to remove from the discard pile. Card counting can give players an advantage in anticipating their opponents' next moves in addition to assisting them in selecting which cards to pick up and discard. Playing cards is a great way for players to keep track of which sets and sequences their opponents might be attempting to form.