Changing Up Your Approaches. To improve your chances of winning at Meta Rummy, stay adaptable and change your plan of action as circumstances dictate. Being able to quickly rummy rainbowswitch between different strategies depending on the cards you receive and the moves made by your opponents is another crucial component of remaining adaptable and changing with the game. It might be necessary to modify your plan, for instance, if you first concentrate on forming runs but then get cards that are better suited for forming sets.