The highest card is an A, while the lowest is a 2. The cards are ranked in a similar way to the cards in a poker game. CardsĬasino War is played with a total of six decks of 52 cards, for a total of 312 cards. It’s an ideal first game for anyone who’s new to table games and is a good stepping stone for players looking to take on more advanced games, such as poker. Casino War is a simple card comparing game that’s widely available at online casinos.