In these situations, it might be wise to keep some cards longer or even alter your approach completely in order to thwart their plans. Maintaining an advantage over yourvideobody opponents requires the ability to modify your discard and draw strategy in response to the changing game dynamics. Sequences and sets are the foundation of a successful rummy game. While a set consists of three or four cards of the same rank but different suits, a sequence consists of three or more consecutive cards of the same suit.