Observing the cards your opponents are discarding is another crucial strategy for creating melds and sets. When a player observes that a rival is discarding a certain card repeaterummy joudly, it can mean that the opponent is not using it and that another player may use it in a set or run. To utilize the discarded card in their own melds and sets, the player might find it advantageous to pick it up in this situation. Players must exercise caution, though, as picking up discarded cards could reveal information about their own hand to rivals.