Players must take advantage of their combined strengths & stay mindful of their opponents' tactics in order to successfully use a Rummy Alliance for victory. Coordination of plays that optimize both playsatta king.ers' chances of creating legitimate sets and sequences while also upsetting opponents' plans is one method to achieve this. When a player sees that an opponent is almost finished with a set, for instance, they may decide to discard cards that would help their opponent while keeping cards that could help their ally finish their own hand. Increasing Winning Prospects & Developing an Exciting Experience.