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
Trump (card games) Trump (card games) A trump is a playing card which is elevated above its usual rank in trick-taking games. Typically, an entire suit is nominated as a "trump suit"; these cards then outrank all cards of plain (non-trump) suits. In other contexts, the term trump card can refer to any sort of action, authority, or policy which automatically prevails over all others. Contract bridge can be played with any suit as trump, but also includes an option to play without a trump suit. In a version known as Rex Bridge, there are two versions of no-trump, the common one (NT)