Because every card that remains in play has the potential to help an opponent complete their melds, players should be strategic about what they discard. For instance, it might be a good idea to hold onto a card for a few turns or discard it in a way that doesn't reveal your stracolor rummytegy if you have no use for it but observe that your opponent has been picking up cards that are similar. Players can also trick opponents into showing their hands by using the discard pile. You can force your opponent to make tough choices while opening up opportunities for yourself by discarding cards that appear harmless but could actually aid them in finishing a meld. Competent players who know how to influence their opponents' perceptions can take advantage of this psychological element of rummy, which adds another level of complexity to the game.