In rummy cash games, keeping an eye on the cards that your rivals discard is an essential tactic. By doing this, you can obtain important knowledge that will help you decrummy nabob 777 downloadide which cards to take out of the discard pile. For example, it might be prudent to pick up a card that completes a set or run in your hand if an opponent discards it rather than drawing cards at random from the draw pile. Mindful Discarding. It is equally important to use caution when you are discarding cards that you have in your hand.