Katsuhiko Kojoh began illustrating Duel Masters cards for Wizards of the Coast during production of the Survivors of the Megapocalypse set, for which Katsuhiko illustrated Cataclysmic Eruption and Le Quist, the Oracle.
You can look up Cataclysmic Eruption and Le Quist, the Oracle, 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.