Because players must modify their tactics according to the card's value while still trying to create legitimate sets and runs, this rule introduces an element of unpredictabilitysetaking. The allure of rummy in Oklahoma. The allure of Oklahoma Rummy is its ability to combine well-known rummy rules with creative twists that keep players interested. Another important feature of the game is its social component; it frequently provides a setting for get-togethers with friends and family, encouraging friendship through healthy competition.