Getting the Hang of Modern Rummy: A Complete Guide Modern Rummy is a card game that has changed from its traditional origins to suit modern gaming tastes and fashions. Rummy is essentially a matsatta kitnaching card game in which players form sets & runs from a deck of cards. Three or four cards of the same rank but different suits make up a set, whereas three or more cards of the same suit in a row make up a run. The goal is to combine every card you have into a legitimate combination before your rivals do. Any player hoping to succeed in the game must have this fundamental knowledge.