Learning these fundamental mechanics is crucial for creating strategies and improving gameplay in general. Creating a Winning Attitude in Yono Rummy. In Yono Rummy, having a winning rummgmindset is crucial because it influences both decision-making & emotional fortitude while playing. Players need to combine patience, focus, and adaptability to develop this mindset. Being patient is especially important because it enables players to wait for the right cards to finish their sets & runs instead of throwing away valuable cards or moving too soon.