Yu - Gi - Oh ! 5D ' s - Episode 073 " Synchro Straits " , known as " After Sealing Synchro Summoning . . . " in the Japanese version is the seventy - third episode of " Yu - Gi - Oh ! 5D ' s " . It first aired in Japan on August 26 , 2009 . Summary . Yusei is still greatly bothered by not only Ghost and his " Machine Emperor Wisel ∞ " , but also by Sherry ' s words to him during their Duel . He is unable to get rid of his fear of Ghost , so he asks Jack to Duel him . He chooses not to use Synchro Monster s during the Duel in order to help him find a counter to the Synchro - absorbing effect of Ghost ' s " Machine Emperor " . The Duel ends by Jack ' s request due to Yusei ' s state of mind . Jack tells Yusei he should still use Synchro Monsters , with Crow noting that the effect of " Wisel " is still a problem . Unknown to all of them , a mysterious individual was watching the whole time . Later at the party , the WRGP is being announced to all the people of New Domino City and the gang meet Team Unicorn , specifically Andre and have a brief talk with the group . During all of this , Yusei is still greatly bothered and Akiza knows that Sherry ' s words to him are still greatly bothering him and something needs to be done about it . Yusei also notices someone passing by him but doesn ' t get a good look at him . Featured Duels . Yusei Fudo vs . Ghost . The Duel is shown from an unspecified point . Yusei has 1800 Life Points remaining and both players have five Speed Counters . The opponent controls " Tiger Dragon " ( 6 / 2400 / 1800 ) in Attack Position while Yusei controls " Speed Warrior " ( 2 / 900 / 400 ) in Attack Position , " Shield Warrior " ( 3 / 800 / 1600 ) in Attack Position and two set cards ( " Scrap - Iron Scarecrow " and " Urgent Tuning " ) . Turn ? : Enemy Enemy has just Tribute Summoned " Tiger Dragon " in Attack Position . The effect of " Tiger Dragon " activates , destroying Yusei ' s two set cards . " Tiger Dragon " attacks and destroys " Speed Warrior " ( Yusei 1800 → 300 ) . Turn ? : Yusei Yusei ' s hand contains " Turbo Booster " and " Limiter Break " . Yusei draws " Debris Dragon " . During the Standby Phase , the effect of " Speed World 2 " activates ( Yusei ' s SPC : 5 → 6 ; Enemy ' s SPC : 5 → 6 ) . Yusei Normal Summons " Debris Dragon " ( 4 / 1000 / 2000 ) in Attack Position . Yusei then activates the effect of " Debris Dragon " to Special Summon " Sonic Chick " ( 1 / 300 / 300 ) from his Graveyard in Attack Position with its effects negated . Yusei then tunes his " Shield Warrior " and " Sonic Chick " with " Debris Dragon " in order to Synchro Summon " Stardust Dragon " ( 8 / 2500 / 2000 ) in Attack Position . At this point , the enemy is changed into Ghost while the Enemy ' s " Tiger Dragon " is changed into " Machine Emperor Wisel ∞ " ( 1 / 0 / 0 ) in Attack Position , " Wisel Top " ( 1 / 500 / 0 ) in Attack Position , " Wisel Attack " ( 1 / 1200 / 0 ) in Attack Position , " Wisel Guard " ( 1 / 0 / 1200 ) in Defense Position , and " Wisel Carrier " ( 1 / 800 / 600 ) in Attack Position . Due to the effect of " Wisel ∞ " , its ATK becomes equal to the combined ATK of all the other Wisel monsters that Ghost controls ( " Machine Emperor Wisel ∞ " : 0 → 2500 / 0 ) . Turn ? : Ghost Ghost draws . During the Standby Phase , the effect of " Speed World 2 " activates ( Yusei ' s SPC : 6 → 7 ; Enemy ' s SPC : 6 → 7 ) . He then activates the effect of " Machine Emperor Wisel ∞ " , equipping itself with " Stardust Dragon " and increasing its ATK by the ATK of " Stardust Dragon " ( " Machine Emperor Wisel ∞ " : 2500 → 5000 / 0 ) . The Duel , at this point , ends with no result as it turns out to be a nightmare that Yusei had and he had woken up from it . Yusei Fudo vs . Jack Atlas . Turn 1 : Yusei Yusei draws " Shield Wing " and subsequently Normal Summons it ( 2 / 0 / 900 ) in Defense Position . He then set s a card . Turn 2 : Jack Jack draws . During the Standby Phase , the effect of " Speed World 2 " activates ( Yusei ' s SPC : 0 → 1 ; Jack ' s SPC : 0 → 1 ) . Jack then Normal Summon s " Twin - Sword Marauder " ( 4 / 1600 / 1000 ) in Attack Position . " Twin - Sword Marauder " then attacks " Shield Wing " , but due to the latter ' s effect , it is not destroyed , however " Twin - Sword Marauder " still inflicts piercing damage to Yusei ( Yusei 4000 → 3300 ) . " Twin - Sword Marauder " then attacks " Shield Wing " once again due to its first effect . Due to the effect of " Shield Wing " , it is not destroyed , however " Twin - Sword Marauder " then inflicts piercing damage to Yusei ( Yusei 3300 → 2600 ) . Jack then Special Summon s " Sword Master " ( 3 / 1200 / 0 ) in Attack Position from his hand via its own effect as " Twin - Sword Marauder " attacked " Shield Wing " , but was unable to destroy it by battle . " Sword Master " then attacks and destroys " Shield Wing " . " Sword Master " then inflicts piercing damage to Yusei ( Yusei 2600 → 2300 ) . Turn 3 : Yusei Yusei draws " Junk Synchron " . During the Standby Phase , the effect of " Speed World 2 " activates ( Yusei ' s SPC : 1 → 2 ; Jack ' s SPC : 1 → 2 ) . Yusei Normal Summons " Junk Synchron " ( 3 / 1300 / 500 ) in Defense Position . He then activates the effect of " Junk Synchron " to Special Summon " Shield Wing " ( 2 / 0 / 900 ) from his Graveyard in Defense Position with its effects negated . Yusei then Special Summon s " Backup Warrior " ( 5 / 2100 / 0 ) in Attack Position as he controls at least two monsters . Yusei then activates his face - down " Synchro Deception " to send " Junk Warrior " from his Extra Deck to the Graveyard and increase the ATK of " Backup Warrior " by half the ATK of " Junk Warrior " ( " Backup Warrior " : 2100 → 3250 / 0 ) . " Backup Warrior " then attacks and destroys Jack ' s " Sword Master " ( Jack 4000 → 1950 ) . On Yusei ' s End Phase , the effect of " Synchro Deception " expires ( " Backup Warrior " : 3250 → 2100 / 0 ) . Turn 4 : Jack Jack draws . During the Standby Phase , the effect of " Speed World 2 " activates ( Yusei ' s SPC : 2 → 3 ; Jack ' s SPC : 2 → 3 ) . Jack then Normal Summon s " Dark Bug " ( 1 / 100 / 100 ) in Attack Position . He then activates the effect of " Dark Bug " to Special Summon " Sword Master " ( 3 / 1200 / 0 ) from his Graveyard in Attack Position . Jack then tunes " Twin - Sword Marauder " and " Dark Bug " with " Sword Master " in order to Synchro Summon " Red Dragon Archfiend " ( 8 / 3000 / 2000 ) in Attack Position . " Red Dragon Archfiend " then attacks and destroys " Backup Warrior " ( Yusei 2300 → 1400 ) . Jack , at this point , cancels the duel . Primo vs . Dobocle . Duel already in progress . Primo controls " Machine Emperor Wisel ∞ " in Attack Position , and its four separate parts : " Wisel Top " , " Wisel Attack " , " Wisel Guard " , " Wisel Carrier " . Turn ? : Primo " Machine Emperor Wisel ∞ " attacks directly ( Dobocle ? → ? ) . Primo then uses an unknown card effect to allow his " Machine Emperor Wisel ∞ " to attack again . " Machine Emperor Wisel ∞ " attacks directly again ( Dobocle ? → 0 ) . Tenth anniversary tribute . The first 15 seconds of this episode features Yusei and his most famous cards ( Stardust Dragon , Junk Synchron , Nitro Synchron , Turbo Synchron , Road Synchron , Hyper Synchron , Tuningware , Stardust Xiaolong , Junk Warrior , Nitro Warrior , Turbo Warrior , and Road Warrior ) . Featured cards . The following cards appear in this episode . Cards in italics debuted here .