Duel Masters

The story focuses on Shoubu traveling all over the world to stop the machinations of Zakira and his elites from killing the world's strongest Duelists. (Source: Duel Masters Wiki)

From [MangaHelpers](https://www.mangaupdates.com/groups.html?id=1011): Kouya Mirai used to play the Duel Masters card game as a kid, but now that he's 15, he's long since put that stuff behind him. He even buried his old cards in a time capsule. However, when his friend Shiratori Manami drags him to a 'part-time job,' he finds himself once again playing Duel Masters in a card shop. With the feelings of nostalgia this brings up, he and Manami visit their old elementary school that night-- only to find it full of people searching for his time capsule! When Mirai recovers his time capsule, he finds that what is inside is bigger than just a card game, it is something that appears to connect the Duel Masters monsters to reality! [tethysdust]

https://www.cmoa.jp/title/253577/

Five dragon girls without an ounce of sense between them. Going nowhere at the breakneck pace of 4 panels per page. This is the Dragon Girls' Nowhere Zone.

Five ordinary high school girls suddenly become "Dragon Girls" who can transform into dragons!? All these five girls want is to live a peaceful high school life, but will they be able to do so safely!? (Source: Corocoro, translated)

In the new series' story, the balance of the Creature World is starting to crumble. A talking deck case named Decky comes to the human world to search for a Duel Master to preserve equilibrium. There he sees Joe's power to create creatures. (Source: AnimeNewsNetwork)