See What Your Rivals Have Thrown Away. Keeping an eye on the cards your opponents are discarding is an important tactic. You can determine which cards they mrummy addaight be holding in their hand by seeing which cards they are discarding. This can assist you in making well-informed choices regarding the cards in your hand that you should hold onto & discard. Pay Attention to Forming Runs and Sets. Early in the game, concentrating on creating sets and runs is a crucial tactic.