The Complete Guide to Mastering 123 Rummy 123 Rummy is a well-known card game that incorporates strategy, skill, & a little bit of luck. Usually played with two to six players, the game makes use of a standard 52-svelte slotscard deck in addition to jokers, which can act as wild cards. Forming legitimate sets and sequences—specific card combinations that adhere to the game's rules—is the goal. A run of three or more consecutive cards in the same suit is called a sequence, whereas a set is made up of three or four cards of the same rank but different suits. Each player is dealt a specific number of cards at the start of the game, typically 13.