When it comes to creating combinations, wild cards are very useful because they can be used to replace any other card in a set or run. Your chances of forming sets and runs and winnrummy walaing the game can be improved by holding onto wild cards and using them wisely. Playing Color Rummy requires strategy and timing. It can make all the difference in your winnings. You must know which cards to discard and which ones to hold onto. In Color Rummy, wild cards are a crucial component that you can utilize to your advantage when creating sets & runs.