joker

🃏 This emoji represents the joker in playing cards. In card games, the joker usually has special rules or functions. Sometimes it can act as a wild card and be used to substitute for other cards. In magic shows, the joker is also often used by magicians as a special prop card to add mystery and fun to the magic. In some cultural contexts, the joker can also symbolize concepts such as variables, surprises or uniqueness.