Yu - Gi - Oh ! - Episode 072 " Double Duel , Part 3 " , known as " Unite ! " in the Japanese version , is the seventy - second episode of the " Yu - Gi - Oh ! " anime . It first aired in Japan on September 11 , 2001 , and in the United States on May 17 , 2003 . Featured Duel : Yami Yugi and Seto Kaiba vs . Lumis and Umbra , Part 3 . " Duel continued from previous episode . " Lumis has 4000 Life Points and controls " Mask of the Accursed " ( equipped to " Beta The Magnet Warrior " ) , " Mask of Restrict " , and " Mask of Dispel " ( which is targeting Yugi ' s " Multiply " ) . Yami Yugi has 2500 Life Points remaining and controls " Beta The Magnet Warrior " ( 1700 / 1600 ) in Defense Position and " Multiply " . Umbra has 4000 Life Points remaining and controls " The Masked Beast " ( who is secretly equipped with Yugi ' s " Beast of Gilfer " ) ( 2700 / 1800 ) in Attack Position and " Masked Doll " . Kaiba has 2100 Life Points remaining and controls " Blue - Eyes White Dragon " ( 3000 / 2500 ) in Attack Position . Turn 12 : Kaiba Kaiba has just managed to revive " Blue - Eyes White Dragon " via " Monster Reborn " . " Blue - Eyes White Dragon " attacks and destroys " The Masked Beast " ( Umbra 4000 → 3700 ) . At this point , Yami Yugi reveals that he had used the effect of " Beast of Gilfer " last turn to equip it to " The Masked Beast " and decrease its ATK by 500 . Turn 13 : Lumis Lumis draws a monster and subsequently sets it . He then Sets two cards . Turn 14 : Yami Yugi Yami Yugi draws . During Yami Yugi ' s Standby Phase , the effects of " Mask of the Accursed " and " Mask of Dispel " activate ( Yami Yugi 2500 → 2000 → 1500 ) . Yami Yugi Sets a card and Normal Summons " Alpha The Magnet Warrior " ( 1400 / 1700 ) in Attack Position . " Alpha The Magnet Warrior " attack s and destroy s Lumis ' Set Monster . It ' s revealed to be " Melchid the Four - Face Beast " ( 1500 / 1200 ) . Turn 15 : Umbra Umbra draws " Rogue Doll " and subsequently Normal Summons it ( 1600 / 1000 ) in Attack Position . " Rogue Doll " attacks " Blue - Eyes White Dragon " . Lumis then activates his face - down " Mask of Weakness " to decrease the ATK of " Blue - Eyes White Dragon " by 700 ( " Blue - Eyes White Dragon " : 3000 → 2300 / 2500 ) . Lumis then activates his face - down " Mask of Brutality " to equip the latter to " Rogue Doll " , increase its ATK by 1000 , and decrease its DEF by 1000 ( " Rogue Doll " : 1600 → 2600 / 1000 → 0 ) . Yami Yugi then activates his face - down " Mystical Refpanel " to switch the target of " Mask of Brutality " to " Blue - Eyes White Dragon " ( " Rogue Doll " : 2600 → 1600 / 0 → 1000 ) ( " Blue - Eyes White Dragon " : 2300 → 3300 / 2500 → 1500 ) . " Blue - Eyes White Dragon " then destroys " Rogue Doll " ( Umbra 3700 → 2000 ) . Umbra Set s a card . On Umbra ' s End Phase , " Mask of Brutality " is destroyed due to the effect of " Mystical Refpanel " ( " Blue - Eyes White Dragon " : 3300 → 2300 / 1500 → 2500 ) . At the same time , the effect of " Mask of Weakness " expires ( " Blue - Eyes White Dragon " : 2300 → 3000 / 2500 ) . Turn 16 : Kaiba Kaiba draws . " Blue - Eyes White Dragon " attacks Umbra directly , but Umbra activate s his face - down " Mask of Impregnability " to make all Battle Damage he takes from direct attacks this turn 0 . Kaiba then asks Lumis what would have happened if " Blue - Eyes White Dragon " attack ed him instead to make Lumis wonder if Umbra would have protected him . This causes a break between them . Turn 17 : Lumis Lumis draws " Pot of Greed " and subsequently activates it to draw two cards . He then Set s a card . Lumis activates " Card Exchange " to switch the cards in his hand with those in Umbra ' s hand . Lumis has no cards in his hand , so he just takes the cards Umbra has . Lumis then activates his face - down " Chosen One " to select one monster card and two non - monsters cards from his hand , place them face - down , and randomly select one . If it is the monster , Lumis can summon it , ignoring the summoning conditions , but if one of the non - monster cards is selected then all cards selected are sent to the Graveyard . The monster is selected , so Lumis Special Summon s " Masked Beast Des Gardius " ( 3300 / 2500 ) in Attack Position , ignoring the Summoning Conditions . " Duel concludes next episode . " Featured cards . The following cards appeared in this episode . Cards in italics debuted here .