Rummy Bloc Strategy: A Complete Guide Rummy Bloc is an engaging card game that blends aspects of classic rummy with strategic gamepla777 lucky slots casinoy. Players must successfully manage their hands to form sets & runs. The fundamental idea of the game is to form a "bloc," which is a group of melds that can be runs (three or more consecutive cards of the same suit) or sets (three or four cards of the same rank).