Yu - Gi - Oh ! - Episode 129 Featured Duel : Yami Yugi vs . Seto Kaiba . Turn 1 : Yami Yugi Yami Yugi draws . He then Normal Summons " Queen ' s Knight " ( 1500 / 1600 ) in Defense Position and Sets a card . Turn 2 : Kaiba Kaiba draws " Obelisk the Tormentor " . He then Normal Summons " X - Head Cannon " ( 1800 / 1500 ) in Attack Position . Kaiba then activates " Spell Sanctuary " to allow both players to add a Spell Card from their Deck to their hands : Yugi selects " Change of Heart " while Seto selects " Soul Exchange " . As long as " Spell Sanctuary " remains in play , both players can activate any kind of Spell Card during their opponent ' s turn , as long as it is face down . Kaiba then Sets a card . Turn 3 : Yami Yugi Yami Yugi draws " Alpha the Magnet Warrior " . Yugi ' s hand contains " Big Shield Gardna " , " Exchange " , " Collected Power " , " Magical Hats " , " Change of Heart " , and " Alpha the Magnet Warrior " . Yami Yugi then Normal Summons " Alpha The Magnet Warrior " ( 1400 / 1700 ) in Defense Position and Sets a card . Turn 4 : Kaiba Kaiba draws " Interdimensional Matter Transporter " . Kaiba ' s hand contains " Lullaby of Obedience " , " Power Balance " , " Obelisk the Tormentor " , " Soul Exchange " , and " Interdimensional Matter Transporter " . Kaiba activates " Soul Exchange " in order to allow himself to Tribute Yugi ' s monsters as if they were his monsters . Kaiba plans to Tribute Yugi ' s " Queen ' s Knight " and " Alpha the Magnet Warrior " with his own " X - Head Cannon " in order to Tribute Summon " Obelisk the Tormentor " , but Yugi activates his face - down " Change of Heart " to take control of Seto ' s " X - Head Cannon " until the end of the turn . Seto then activates his face - down " Enemy Controller " to pay 1000 Life Points ( Seto 4000 → 3000 ) and take control of " X - Head Cannon " . Yugi then activates his face - down " Lightforce Sword " to remove from play " Obelisk the Tormentor " from Seto ' s hand for three turns . Kaiba ' s hand now contains " Lullaby of Obedience " , " Power Balance " , and " Interdimensional Matter Transporter " . Turn 5 : Yami Yugi Yami Yugi draws " Life Shaver " . Yugi ' s hand contains " Big Shield Gardna " , " Exchange " , " Collected Power " , " Magical Hats " , and " Life Shaver " . Yami Yugi Sets a card . Turn 6 : Kaiba First turn that " Lightforce Sword " is keeping Seto ' s " Obelisk the Tormentor " removed from the game . Kaiba draws " Y - Dragon Head " and subsequently Normal Summons it ( 1500 / 1600 ) in Attack Position . He then activates the effect of " Y - Dragon Head " to equip itself to " X - Head Cannon " and increase its ATK and DEF by 400 ( " X - Head Cannon " : 1800 → 2200 / 1500 → 1900 ) in Attack Position . " X - Head Cannon " attacks and destroys " Alpha The Magnet Warrior " . Kaiba then activates " Lullaby of Obedience " to pay 1000 Life Points ( Seto 3000 → 2000 ) and take " Slifer the Sky Dragon " from Yugi ' s Deck and add it to his hand . Yugi then activates his face - down " Exchange " , which allows each player to take a card from the other ' s hand : Yugi selects " Slifer the Sky Dragon " while Seto selects " Life Shaver " . " Duel continues next episode . " Featured cards . The following cards appeared in this episode . Cards in italics debuted here .