Yu-Gi-Oh! Duel Monsters Season 1 Episode 197

Leon is Sieg’s younger brother, and he’ll avenge his family’s loss! Leon’s fairy tales are giving Yugi nightmares, but the worst is yet to come because Leon has Sieg’s mysterious and special card. Sieg claims the card will take down KaibaCorp, but how can one card instantly destroy what Kaiba spent years building up?