The original "Duel Masters" was terrible. A totally uninspired "Yugioh" rip-off that tried to cover its lack of originality with a horrible parody dub filled with bad jokes and shallow cultural references.
This second attempt to adapt this card game into an animated series was much better in every single aspect. (Though considering how bad was its predecessor, I guess that was something quite easy to achieve.)
Now, while this show wasn't exactly great, it showed a lot of potential, having an interesting setting and characters, with a neat art style that somewhat reminded me to the animation of "The Avengers: Earth's Mightiest Heroes".
Too bad it was cancelled before reaching reaching its full potential. I think it would have become one of the best series of its kind if the audience had given it a chance.
If there is another "Duel Masters" cartoon, I hope it follows the serious style of "Kaijudo" and not the bad comedy (and bad CGI) of the original anime.