Yu-Gi-Oh! - Episode 154

Major Events

 * Mai reveals she teamed up with Dartz
 * Mai uses The Seal of Orichalcos
 * The Duel ends without a winner after Valon interferes when Mai was on the brink of losing.

Duel Recap

 * Mai activates The Seal of Orichalcos and Summons Harpie Lady.
 * Joey Summons Alligator Sword in Defense Position.
 * Mai Summons Harpie Lady. She sends both of her monsters to attack, destroying Alligator Sword and dropping Joey's Life Points to 2200.
 * Joey Summons Rocket Warrior in Defense Position and Sets a card.
 * Mai attacks and destroys Rocket Warrior, then tries to attack Joey directly. Joey activates Scapegoat to protect his Life Points, but Mai activates Nightmare Tri-Mirror, Special Summoning four more Harpie Ladies to her side of the field. The attack destroys one Sheep Token. Since her newly Summoned monsters can't attack this turn, she Sets a card.
 * Joey Summons Panther Warrior, then Tributes 1 Sheep Token so it can attack, but Mai activates Harpie Lady Sparrow Formation to negate the attack.
 * Mai activates Harpie Lady Phoenix Formation, destroying all of Joey's monsters and dropping his Life Points to 200.
 * Joey Special Summons The Fiend Megacyber from his hand. It destroys one of Mai's Harpie Ladies and drops her Life Points to 3600. He Sets a card.
 * Mai Tributes two Harpie Ladies to Summon Harpie's Pet Dragon, whose ATK rises to 3400. She attacks, but Joey activates Compensation Mediation and succeeds on its effect. It negates the attack, but Mai is allowed to return her two chosen cards back to the top of her Deck. She moves her Harpie Lady to the Spell & Trap Card Zone and Sets two cards.
 * Joey Sets a card and monster, then switches The Fiend Megacyber to Defense Position.
 * Mai draws and Joey activates Drop Off, but Mai negates it with Trap Jammer. She Sets a card. destroys The Fiend Megacyber with Harpie's Pet Dragon, then his face-down monster with Harpie Lady. Mai negates the face-down monster, Fiber Jar, with Harpie's Feather Storm.
 * Joey Sets a monster.
 * Mai activates Harpie Lady Phoenix Formation, but Joey's face-down monster, Neko Mane King, ends her turn with its effect, and since it has 0 ATK, Joey's Life Points are safe.
 * Joey activates Monster Reborn to Special Summon The Fiend Megacyber. Then he Summons Time Wizard and activates The Claw of Hermos. He sends his two cards to the Graveyard to form Time Magic Hammer. He equips it to The Fiend Megacyber. He attacks. Mai activates Harpie Lady Sparrow Formation, but it fails. Joey, on the other hand, ends his turn, not knowing what he just did.
 * As Mai draws, her monsters are removed from play. She Sets a card.
 * Joey attacks her directly, dropping her Life Points to 1400. He then Sets a card.
 * On Mai's turn, Harpie's Pet Dragon returns to the field and Yugi finally figures out what did Time Magic Hammer do. She attacks, but Joey activates Skull Dice and rolls a two, cutting its ATK in half to 1250. It gets destroyed and Mai's down to 450 Life Points. Valon comes in and breaks the Seal, ending the Duel.