Playing rummy for real money requires a few key skills, one of which is knowing which card combinations can potentially win. Sets, which consist of three or fplay store gameour cards with the same rank but different suits, and sequences, which consist of three or more consecutive cards of the same suit, are examples of these. Keeping an advantage in the game also requires players to be aware of their opponents' movements and make an effort to predict their plans. Mastering the Game.