Control of the Hand. To increase the likelihood that you will form winning combinations, it's also critical to keep an eye on how many cards you have in your hand and to mrummy nobodyanage them well. The secret to winning at 334 Rummy is to manage your cards well. Since sets are usually simpler to complete than runs, one piece of advice for effective card management is to form sets first. You can improve your chances of leaving the game quickly & scoring more points by concentrating on forming sets early in the match.