Knowing when to keep certain cards & when to throw them away is a crucial component. Players need to learn to trust their gut feelings about which cards will help them or hurt rummy 66their opponents. To stop an opponent from finishing their melds, it might be a good idea to keep the cards from a certain suit if you observe that they are being discarded a lot. This tactical insight can have a big impact on your chances of success. Also, in traditional rummy, the ability to communicate effectively and observe others is essential.