By observing their behavior, you can learn about their tactics and modify your own accordingly. You can take advantage of this information if you observe, for example, that an opponent is regularly discardisbte. inng specific cards, which may suggest that they are not pursuing those specific sets or runs. Effective hand management is another crucial component of rummy strategy. This entails understanding when to release and hold onto particular cards. Holding onto high-point cards in the hopes of forming a run or set is a common mistake made by inexperienced players, and it can backfire if someone else goes out first.