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Cards.
Traditionally, there are fifty-two cards in a deck along with two unique joker cards that may or may not be counted as part of the game involving these cards.
Half of the deck is comprised of cards that are a brighter color like red, while the other half is made of darker ones, like black.
It is divided into four distinct categories mostly referred to as the 'houses' of the cards and, these four houses have four cards with only a drawing, including the Ace of each house, and number cards that possess the numbers, and drawings of the mark of that house in corresponding numbers.
There are many games that one can play with these simple fifty-two cards, however, for a game to take place, only two players or two pairs of hands are more than enough to initiate, continue, and end a complete game.