Yu - Gi - Oh ! - Episode 141 Featured Duel : Yami Marik vs . Yugi Muto - Part 4 . " Duel continues from previous episode . " Yami Yugi has 1000 Life Points remaining and controls " Obelisk the Tormentor " ( 4000 / 4000 ) and " Dark Magician Girl " ( 2000 / 1700 ) in Attack Position and two set cards . Yami Marik has 700 Life Points remaining and controls " Egyptian God Slime " ( 3000 / 3000 ) and " Bowganian " ( 1000 / 700 ) in Defense Position and " Jam Defender " . Turn 13 : Yami Marik Yami Marik has just managed to take " Monster Reborn " back from his Graveyard via " Mining for Magical Stones " . He then Sets a card and Normal Summons " Swallowtail Spike Lizard " ( 1900 / 700 ) in Defense Position . As long as it remains in Defense Position , Marik will gain 1000 Life Points during each of his Standby Phases . Turn 14 : Yami Yugi Yami Yugi draws . He then Normal Summons " Gazelle the King of Mythical Beasts " ( 1500 / 1200 ) in Defense Position and Sets two cards . On Yami Yugi ' s End Phase , the effect of " Bowganian " activates ( Yugi 1000 → 700 ) . Turn 15 : Yami Marik Yami Marik draws " Surprise Attack from Beyond " . On Yami Marik ' s Standby Phase , the effect of " Swallowtail Spike Lizard " activates ( Marik 700 → 1700 ) . Yami Marik activates " Monster Reborn " to revive " The Winged Dragon of Ra " ( 0 / 0 ) in Attack Position . Marik then transforms " The Winged Dragon of Ra " into Egyptian God Phoenix . Yami Marik then activates the Egyptian God Phoenix effect of " The Winged Dragon of Ra " to pay 1000 Life Points ( Marik 1700 → 700 ) and attack and destroy " Obelisk the Tormentor " , but Yami Yugi activates his face - down " Monster Reborn " to revive " Slifer the Sky Dragon " ( X000 → 2000 / X000 → 2000 ) in Defense Position and use its effect - when it is Special Summoned from the Graveyard , " Slifer " will be the attack target . The " Egyptian Phoenix " effect of " The Winged Dragon of Ra " then destroys " Slifer the Sky Dragon " . " The Winged Dragon of Ra " then returns to Marik ' s Graveyard in its normal form . Marik activates " Surprise Attack from Beyond " to allow himself to repeat his Battle Phase and Special Summon " The Winged Dragon of Ra " from his Graveyard ( 0 / 0 ) in Attack Position . " The Winged Dragon of Ra " is now in its normal form . Yami Marik then pays all but 1 of his Life Points ( Marik 700 → 1 ) in order to activate the second effect of " The Winged Dragon of Ra " , increasing its ATK and DEF by the total amount of Life Points payed ( " The Winged Dragon of Ra " : 0 → 699 / 0 → 699 ) . This effectively " fuses " Marik with Ra . Yami Yugi then activates his face - down " Soul Taker " to increase Yami Marik ' s Life Points by 1000 ( Marik 1 → 1001 ) and allow Yami Yugi to use one of Marik ' s monsters as a Tribute immediately . He chooses " Egyptian God Slime " and , according to Battle City Rules , a Fusion Monster is treated as a number of Tribute Monsters equal to its number of Fusion Material Monsters . Yami Yugi then Tributes " Egyptian God Slime " ( since it is treated as a double Tribute ) in order to activate the first effect of " Obelisk the Tormentor " and make its ATK and DEF infinite as well as allow it to attack even though it is Yami Marik ' s Battle Phase . Yami Marik tributes " Bowganian " and " Swallowtail Spike Lizard " and pays all but 1 of his Life Points ( Marik 1001 → 1 ) , in order to increase the ATK and DEF of " The Winged Dragon of Ra " by the total amount of ATK / DEF and Life Points tributed / payed ( " The Winged Dragon of Ra " : 699 → 3899 → 4899 / 699 → 2399 → 3399 ) . Yami Marik then activates his face - down " Class System " to negate the attack made by " Obelisk " as its Level isn ' t higher than the Level of " The Winged Dragon of Ra " . " The Winged Dragon of Ra " attacks " Obelisk the Tormentor " , but Yami Yugi activates his face - down " Magical Dimension " to Tribute " Obelisk the Tormentor " and " Gazelle the King of Mythical Beasts " in order to Special Summon " Dark Magician " ( 2500 / 2100 ) in Attack Position . Since " Obelisk " has left the field , the attack made by " The Winged Dragon of Ra " is negated as it has lost its original target . Yami Yugi is about to activate his face - down " Ragnarok " , which will remove " The Winged Dragon of Ra " from play . " Duel concludes next episode . " Featured cards . The following cards appeared in this episode . Cards in italics debuted here .