However, in many games, such as Canasta, Perlaggen or Yellow Dwarf, the wild card or cards are a standard feature of the rules. In some cases, the wild card or cards must be agreed upon by players before the cards are dealt and play commences. A card that is not wild may be referred to as a natural card. In many games, ordinary cards may be designated as wild, for example, the J♣ and 9♦ in Classic Brag or the 'deuces wild' in Poker. Jokers, however, may also have other uses, such as being a permanent top trump in games like Euchre or 500, the odd one out in Old Maid, or high-value matching cards in Zwicker. Jokers are frequently used as wild cards, for example in games of the Rummy family. Use Three of the wild cards in PerlaggenĪ wild card is one that may be used to represent any natural card, its holder usually designating its rank and suit.