It's All Relative Yu-Gi-Oh! GX : Season 1 Episode 96

Sartorious, who has to recapture an important key, sends Dr. Eisenstein to confront Jaden. He is a genius medical doctor who creates a deck to counter Jaden's perfectly. The duel begins with the doctor activating Relativity Field and summoning a monster that can negate Jaden's skillful fusions, enabling him to quickly gain the advantage in the duel.