Joey Wheeler and Rex Raptor ' s Duelist Kingdom Duel Joey Wheeler and Rex Raptor faced each other in a game of " Duel Monsters " in the preliminary stage of the Duelist Kingdom tournament , in the " Yu - Gi - Oh ! " anime . It is based on a similar Duel from the " Yu - Gi - Oh ! " manga . Events . Prior . After the defeat of Ghost Kaiba , Yugi Muto and his friends looked for Mokuba Kaiba but with no luck . They stumble upon some cards , but it is revealed they belong to Tristan Taylor . Yugi finds a card that looks like one of Joey ' s , Lava Battleguard . He searches and finds the one that matches it , Swamp Battleguard . Tristan gives Joey Lava Battleguard . Elsewhere , Mai Valentine wins another duel but has no joy in her victory . She blames Joey for making her feel this way . She is soon greeted by Rex Raptor , who was still sore about losing his room on the way to Duelist Kingdom and challenges Mai . Rex reveals he has won 5 star chips while Mai reveals she has won 8 . Mai agrees to challenge Rex on one condition . . . Yugi and co . find more duelists but soon encounter Mai again and proposes Joey challenge a duelist she set up for him : Rex Raptor . In addition , Mai states an ultimatum : If Yugi were to give Joey any advice during the duel , Joey would be disqualified and Rex would win by default . Angered by Tristan , Joey accepts Mai ' s terms . Before the duel begins , Mai ' s condition is revealed : If Rex beats Joey , she will challenge him . Both Rex and Joey wager 2 star chips each . Duel . Monsters compatible with Desert , Mountain or Meadow will receive a 30 % Field Power Bonus . This includes Beast - Warrior , Dinosaur , Rock , Thunder , Warrior , Winged Beast and Zombie - Type monsters . Turn 1 : Joey Joey ' s hand contains " Baby Dragon " , " Time Wizard " , " Leogun " , " Axe Raider " , and " Kuriboh " . Joey Normal Summon s in Defense Position . Turn 2 : Rex Rex Normal Summons in Attack Position . " Two - Headed King Rex " attack s and destroy s " Baby Dragon " . Turn 3 : Joey Joey draws . Joey Normal Summons in Attack Position . Having not noticed " Two - Headed King Rex " had gained 480 ATK from the Field Power Bonus , Joey uses " Leogun " to attack " Two - Headed King Rex " . " Two - Headed King Rex " destroys " Leogun " ( Joey : 2000 → 1670 LP ) . Turn 4 : Rex Rex passes . Turn 5 : Joey Joey Normal Summons in Attack Position . " Axe Raider " attacks and destroys " Two - Headed King Rex " ( Rex : 2000 → 1870 LP ) . Turn 6 : Rex Rex draws . He then Normal Summons in Attack Position . " Sword Arm of Dragon " attacks and destroys " Axe Raider " ( Joey : 1670 → 1605 LP ) . Turn 7 : Joey Joey draws . He then Set s a monster and Sets " Time Wizard " in the Magic & Trap Card Zone . Turn 8 : Rex Rex Normal Summons in Attack Position . " Megazowler " attacks and destroys Joey ' s Set . Turn 9 : Joey Joey draws . He then Normal Summons in Attack Position . Turn 10 : Rex Rex draws . " Megazowler " attacks " Flame Swordsman " . " Megazowler " then loses its Field Power Bonus ( " Megazowler " : 2340 → 1800 / 2600 → 2000 ) as it is a Dinosaur - Type monster battling a FIRE monster . " Flame Swordsman " destroys " Megazowler " ( Rex : 1870 → 1330 LP ) . Rex switches " Sword Arm of Dragon " to Defense Position . Turn 11 : Joey Joey draws . " Flame Swordsman " attacks " Sword Arm of Dragon " . " Sword Arm of Dragon " loses its Field Power Bonus ( " Sword Arm of Dragon " : 2275 → 1750 / 2639 → 2030 ) . " Flame Swordsman " then destroys " Sword Arm of Dragon " . Turn 12 : Rex Rex draws . He then Sets a monster . Turn 13 : Joey Joey draws . " Flame Swordsman " attacks and destroys Rex ' s Set . Turn 14 : Rex Rex draws . He then Sets a monster . Turn 15 : Joey Joey draws . " Flame Swordsman " attacks and destroys Rex ' s Set . Joey Normal Summons in Attack Position . Turn 16 : Rex Rex draws in Attack Position . " Serpent Night Dragon " attacks and destroys " Flame Swordsman " ( Joey : 1605 → 1595 LP ) . Turn 17 : Joey Joey draws in Attack Position . " Lava Battleguard " and " Swamp Battleguard " each gain 500 ATK for each of the other on Joey ' s side of the field due to their effects ( " Swamp Battleguard " : 2340 → 2840 / 1500 → 1950 ; " Lava Battleguard " : 2015 → 2515 / 1800 → 2340 ) . Turn 18 : Rex Rex draws . Having not noticed that " Swamp Battleguard " and " Lava Battleguard " gained 500 ATK due to each other ' s presence , Rex uses " Serpent Night Dragon " to attack " Swamp Battleguard " . " Swamp Battleguard " destroys " Serpent Night Dragon " ( Rex : 1330 → 840 LP ) . Rex sets and ends his turn . Turn 19 : Joey " Lava Battleguard " attacks and destroys Rex ' s Set " Trakadon " . Turn 20 : Rex Rex draws in Attack Position . He then activate s " Dragon Nails " , equipping it to " Red - Eyes Black Dragon " and increasing its ATK by 600 ( " Red - Eyes Black Dragon " : 2400 → 3000 / 2000 ) . " Red - Eyes " attacks and destroys " Swamp Battleguard " and " Lava Battleguard " ( Joey 1595 → 235 ) . At this point , Rex and Joey agree to ante up all of the cards on the field . At this point Rex makes a wager with Joey : whoever loses the duel not only hands over their star chips but also one card they currently have on the field . If Rex wins he gets Joey ' s " Time Wizard " which Joey forgot he placed at Turn 7 , but if Joey can somehow win , he gets Rex ' s " Red - Eyes Black Dragon " . Joey accepts the wager . Turn 21 : Joey Joey draws . He then Flip Summon s in Attack Position . Joey then activates the effect of " Time Wizard " and succeeds , causing Eons to pass like seconds in the duel field . This causes Rex ' s Red - Eyes Black Dragon to become fossilized . When Rex tries to have Red - Eyes Black Dragon attack , ti breaks apart and is destroyed and inflicts damage to Rex equal to half the ATK of " Red - Eyes Black Dragon " ( Rex 840 → 0 ) . ( NOTE : In the real game , the Duel would continue , but according to the tournament rules , when a monster is destroyed by a card effect , the controller of that card will receive damage equal to half of that monster ' s ATK points . ) Joey wins . Aftermath . Joey wins two of Rex ' s five star chips and his Red - Eyes Black Dragon .