Also, you should be adaptable and change your plan of action in response to other players' moves and the cards that are available. With practice, perseverance, and stta kinghstrategic thinking, you can improve your 777 Rummy skills. Observing the cards that other players are discarding & taking advantage of this information is one way to become a better player. You can decide which cards to keep in your hand & which to discard more intelligently if you keep track of which cards have been played.