"I can see it. The way I can win..." "This time I will beat him. So come at me again... accept! 'Bloom, gambler of souls!'" In New Kyoto, a city governed by the "King," one's worth is determined by his or her strength in the Build Divide trading card game. Rumors swirl about New Kyoto and its King. "If you defeat the King in Build Divide, any wish will be fulfilled." And in order to challenge the King, one must participate in the TCG battle known as Rebuild, and the "Key" must be completed. Everyone has a wish they long to have fulfilled. Teruto Kurabe, a boy who vows to take down the King, and Sakura Banka, the mysterious girl who guides him, throw themselves into the Rebuild battle. With New Kyoto as the stage, the curtain rises and the battle begins for Teruto and his friends! (Source: MAL News)

Legend says that the enigmatic Millennium Puzzle will grant one wish to whoever deciphers its ancient secrets. Upon solving it, high school student Yuugi Mutou unleashes "another Yuugi," a peculiar presence contained inside. Now, whenever he is faced with a dilemma, this mysterious alter ego makes an appearance and aids him in his troubles. Wishing to unravel the mystery behind this strange spirit, Yuugi and his companions find themselves competing with several opponents in "Duel Monsters," a challenging card game used by people seeking to steal the Millennium Puzzle in a desperate attempt to harness the great power within. As the questions pile on, it is not long before they figure out that there is more than pride on the line in these duels. [Written by MAL Rewrite]

The franchise's story centers on wizards who gather mazica in order to save the world. Junior high school student Kezuru wakes up after a strange dream featuring himself as a wizard, a creature called "mazin," and a mysterious girl. The next day, his friend Kuracchi proudly shows off the newly launched Mazica Party card game. To Kezuru's shock, all the characters drawn in the game's cards are just like the ones in his dream. Meanwhile, Kezuru receives a notification for an event at the major international company Mazica. Intrigued, Kezuru goes to the Mazica Store as directed, only to meet the Mazica CEO himself, Jeff Johns. Johns says, "I have great expectations for you," and hands Kezuru Mazica Gear. On his way back home, Kezuru is attacked by an airship-like creature. Just when he thinks, "this is it!" to himself, his Mazica Gear erupts and a magic book appears. When he scratches a card, he seals a contract with Barunya, a "mazin" creature that is an odd remixed fusion between an airship and a cat. The mysterious girl Anya says Kezuru and those of his ilk will be "the true wizards who save the world." Amid all these mysterious revelations, Kezuru enrolls in the Mazica Academy and engages in Mazica Party card battles alongside his partner mazin. (Source: ANN)

The anime centers around a boy named Kouta Kouka (Kouka Kouta in Japanese name order, an apparent wordplay on Coca-Cola). Kouta strives to be the world's best Bottle King at the Bottle Battles in the virtual Drink World. He comes across his Bottleman partner Colamaru and then wages battles with various rivals. (Source: ANN)