The ability to count cards can ultimately give you a big advantage in rummy & change the way you play each hand. Creating a Comprehensive Plan. A well-rounded scashgametrategy that covers a variety of gameplay elements is essential for a successful Rummy player. Prioritizing the formation of melds as rapidly as possible while retaining hand flexibility is one basic strategy. This entails being flexible during the game in addition to concentrating on finishing your own sets and runs.