Also, it's critical to maintain track of the cards that have been discarded during the course of the game. By doing so, you will be able to determine which of your opponents' cards have alreadaviatory been taken. You will be better able to form sets & runs ahead of your opponents if you do this because you will be able to decide which cards to discard and which to pick up. Careful observation, strategic thought, & flexibility are necessary for creating a winning rummy strategy. A crucial component of rummy, wild cards have the power to drastically alter the course of the game.