Knowing which cards are still in the discard pile and which are probably going to be drawn next can be quite helpful. You can learn which cards might be helpful for finishing your sets & runs by keeping a close eye on the cplay store game downloadards that other players have discarded. Making strategic decisions about when to pull from the discard pile is also crucial because it can provide your opponents with information about the cards you might need. It's critical to be aware of how you add to the discard pile in addition to using it as a source of information. It is important to think about whether a card you are discarding from your hand could help your opponent's sets and runs.