joker

This is a Joker card, which plays a special role in card games. It's a versatile card that can be used as any card.

This card, featuring a laughing clown, is a fun card that changes the rules of the game. It plays an important role in many card games.

The Joker was originally created in 19th-century America for the game of Euchre. In modern times, it has become a cultural icon, symbolizing an 'unpredictable variable' or 'free change'.

It has become a motif for characters frequently appearing in popular culture, such as the Joker, the villain in the Batman series. In modern society, it is also used with a positive connotation, signifying flexibility or adaptability. In business or strategic situations, the expression 'joker card' can refer to a crucial solution.