In contrast, if you have several wild cards, think about how to use them to your advantage without giving your opponents too much information about the potential of your hand. To become a true mastehow to play rummy 51r of Rainbow Rummy, players need to go beyond simple tactics & explore more sophisticated methods that can help them outplay their rivals. Keeping track of which cards have been played can give you important information about what's left in the deck, even though it might seem overwhelming at first. With this information, players can choose which cards to draw or discard with greater knowledge.