The secret to outperforming your rivals is knowing when and how to use these power-ups. For instance, exchanging cards with an opponent using a power-up that lets you do so can be a game-changer if you're stuck with mrummy noble newultiple high-point cards that are hard to meld. This tactic not only lowers your point total but, if you are successful in removing a vital card your opponent needs, it can also throw off their plans. Also, some boosters might give you a sneak peek at the cards that will be in the draw pile, which could help you anticipate possible future moves. When you use these tools wisely, you can change the game's outcome at crucial points.