Understanding Rummy: A Complete Guide For centuries, players all over the world have been enthralled with the popular card game rummy. Forming sets and runs frrummy list 51om a standard deck of cards is the fundamental aspect of the game. A run is a series of three or more cards in the same suit, whereas a set is made up of three or four cards of the same rank but different suits. Combining these combinations is the goal, and you must eventually "go out" by discarding your final card.