Wild card (cards) such as K-K-Joker-5-2 is just a pair of kings (with an ace kicker), but any four same-suit cards with a bug make a flush, and a hand such as 7-Joker-5-4-3 makes a straight. There is also a variation of the "Fully Wild" rule in which the wild card (in this instance they are usually jokers as there are traditionally only two and there is only one black and one red) can be any card of the suits matching the cards colour or current suit. For example in a jokers wild game with these rules, the red joker could be used
Collectible card game Collectible card game A collectible card game (CCG), also called a trading card game (TCG) or many other names, is a kind of strategy card game that was created in 1993 and consists of specially designed sets of playing cards. These cards use proprietary artwork or images to embellish the card. CCGs may depict anything from fantasy or science fiction genres, horror themes, cartoons, or even sports. Game text is also on the card and is used to interact with the other cards in a strategic fashion. Games are commonly played between two players, though multiplayer formats are also common.