The use of wild cards to counter the advantages of opponents. An opponent may have strong melds already established or be on the verge of going out if they use a jospin earning appker to finish a set or run early in the game. Players who remain aware of these dynamics are better able to make decisions regarding their own gameplay and look for strategies to offset the advantages that opponents have gained from using wild cards. Dedication & constant practice are necessary for the Rummy mastery journey.