Finding a balance between preparation and flexibility is ultimately the secret to winning at 334 Rummy. It is possible to outmaneuver your oppwin 101onents and win by remaining focused, keeping an eye on them, and modifying your plan appropriately. In 334 Rummy, one of the most important decisions is whether to discard or keep a card. Your game may suffer if you discard a card that might enable an opponent to finish their melds.