One of Rummy Rainbow's most unique features is the deck, which consists of 108 cards in four different colors: red, blue, green, and yellow. In addition to special action cards that withdrawal game appintroduce novel gameplay mechanics, each color has cards with numbers ranging from 1 to 10. Players can skip turns, switch cards with opponents, or even change the color being played with these action cards, which can change how the game progresses. Each round is made more exciting and surprising by this vibrant deck, which also improves the visual experience.