Your chances of winning at rummy can be greatly increased by integrating these components into a coherent strategy. The Art of Rummy Discernment Mastery. Being awarvip gaminge of when to fold or discard your cards and when to hold onto them is an essential skill in rummy. The result of a game is frequently decided by this decision-making process. It's crucial to hold onto cards that have the ability to merge, but it's also critical to know when a particular card is no longer useful for your hand.