Tomofumi Ogasawara began illustrating Duel Masters cards for Wizards of the Coast during production of the Base Set, for which Tomofumi illustrated "Dia Nork, Moonlight Guardian," Scarlet Skyterror, Seamine, and Spiral Gate.
You can look up Dia Nork, Moonlight Guardian," Scarlet Skyterror, Seamine, and Spiral Gate, along with every other Duel Masters card printed in English, in the Duel Masters card database, here: http://www.wizards.com/duelmasters/dmdb.asp Note that the database does not show promotional cards.