Ignoring the Cards That Are Discarded. Not observing the cards that opponents are discarding is a mistake that players frequently make. Players who ignore these cards lose out dr.sandhya ranion important information about the cards that are still in play and how to modify their strategy accordingly. Not Forming Enables and Runs Before Time. Disregarding to form sets and runs early in the game is another typical error. Players lose out on chances to lower their hand total and raise their odds of being the first out by failing to do this.