Equipped with this information, you can decide which cards to keep & which to throw away with greater knowledge. Observing patterns in your opponents' gameplay can also help you prummy noredict their next moves. Some players may favor particular tactics or tendencies; being aware of these trends can help you gain an advantage over other players. For example, you might decide to play more aggressively by discarding lower-value cards that your opponent might not need if they have a tendency to keep high-value cards until the end of the game.