For savvy players, the discard pile in rummy is a goldmine of knowledge & opportunities. You can learn a lot about an opponent's tactics and possible mgames slots machineselds by watching which cards they discard. An opponent may not be pursuing those melds and may be exposed to specific plays if, for instance, they routinely discard cards from a specific suit or rank. Taking advantage of this knowledge will help you decide which cards to keep or discard on your own.