Sergey Volkov vs. Rex Goodwin

Sergey Volkov vs. Rex Goodwin
 Turn 1: Sergey 

Sergey draws. Sergey activates the Field Spell Card "Earthbound Prison", which negates any effect that would change the ATK of a face-up monster on the field. If it is destroyed, it halves the LP of the player who destroyed it active Field Spell Card, Sergey Special Summons "Earthbound Prisoner Stone Sweeper" (1600/1600) from his hand in Attack Position via its own effect. He Normal Summons "Earthbound Prisoner Line Walker" (800/1100). Sergey activates "Harmonic Synchro Fusion", which lets him simultaneously Fusion Summon a Fusion Monster and Synchro Summon a Synchro Monster using monsters he controls. Via this effectFusion Summon "Earthbound Servant Geo Gremlina" (2000/1000) in Attack Position. He then tunes the Level 5 "Stone Sweeper" with the Level 3 Tuner monster "Line Walker" in order to Synchro Summon "Earthbound Servant Geo Gryphon" (2500/1500) in Attack Position.

 Turn 2: Rex 

Rex draws. Since Rex controls no monsters while his opponents control monsters, he Special Summons "Oracle of the Sun" (1000/2000) in Attack Position. Rex then Normal Summons "Fire Ant Ascator" (700/1300) in Attack Position. He then tunes "Oracle of the Sun" with "Fire Ant Ascator" in order to Synchro Summon "Sun Dragon Inti" (3000/2800) in Attack Position.

He then pays 1000 Life Points (Rex 4000 → 3000) in order to Special Summon "Dark Tuner Dark Goddess Witaka" (0/0) from his hand in Attack Position. Rex then removes from play "Fire Ant Ascator" from his Graveyard in order to Special Summon "Weeping Idol" (0/500) from his hand in Attack Position.

Rex then activates the effect of "Dark Tuner Goddess Witaka" to target "Sun Dragon Inti" and make the Level of "Dark Goddess Witaka" the same as the Level of "Sun Dragon Inti" ("Dark Tuner Dark Goddess Witaka": Level 3 → 8). Rex then dark tunes "Weeping Idol" with "Dark Tuner Goddess Witaka" in order to Dark Synchro Summon "Moon Dragon Quilla" (2500/2000) in Attack Position. "Sun Dragon Inti" attacks and destroys "Geo Gryphon" (Sergey 4000 → 3500). "Moon Dragon Quilla" attacks and destroys "Geo Gremlina" (Sergey 3500 → 3000). On Rex's End Phase, the last effect of "Moon Dragon Quilla" activates, destroying itself.

 Turn 3: Sergey 

Sergey draws. As there is a face-up card in the Field Zone, Sergey activates "Earthbound Rescue", letting him add an "Earthbound" monster and a Spell Card from his Graveyard to his hand. He adds "Earthbound Prisoner Stone Sweeper" and "Harmonic Synchro Fusion". As there is a face-up card in the Field Zone, Sergey Special Summons "Stone Sweeper" (1600/1600) from his hand in Attack Position via its own effect. Sergey Normal Summons "Ground Keeper" (300/???). Sergey activates "Synchro Fusion", letting him use monsters he controls as Materials for both a Fusion Summon and Synchro Summon. He fuses "Stone Sweeper" with "Ground Keeper" to Fusion Summon "Earthbound Servant Geo Kraken" (2800/1200) in Attack Position. Sergey tunes the Level 5 "Stone Sweeper" with the Level 1 Tuner monster "Ground Keeper" to Synchro Summon "Earthbound Servant Geo Gremlin" (2000/1000) in Attack Position. As it was Special Summoned this turn and there is a face-up card in the Field Zone, Sergey activates the effect of "Geo Gremlin", letting him target a monster his opponent controls and have his opponent choose between destroying the monster (which would've led to the effect of "Gremlina" as a monster the opponent controlled was destroyed while a Field Spell was active, activating, destroying all of Sergey's monsters and inflicting damage equal to the total ATK of those monsters (4000)) and skipping this turn's Battle Phase or not and having Sergey gain LP equal to the that monster's ATK. Sergey targets "Sun Dragon Inti" and Rex chooses to have Sergey gain LP (Sergey 3000 → 6000). Sergey activates the effect of "Line Walker", banishing it from the Graveyard to Special Summon a monster on the field. He targets "Scarlight". Sergey activates the effect of "Geo Kraken", destroying all monsters Jack controls that were Special Summoned this turn and inflicting 800 damage for each (Rex 3000 → 2200). Rex activates the last effect of "Sun Dragon Inti" to revive "Moon Dragon Quilla" (2500/2000) in Defense Position. "Geo Kraken" attacks and destroys "Moon Dragon Quilla". Rex activates the first effect of "Moon Dragon Quilla" to Special Summon "Sun Dragon Inti" (3000/2800) from his Graveyard in Attack Position. He then Sets a card.

 Turn 4: Rex 

Rex draws. He then banishes "Witaka" from his Graveyard in order to Special Summon "Weeping Idol" (0/500) from his hand in Attack Position. He then Tributes "Moon Dragon Quilla" and "Weeping Idol" in order to Tribute Summon "Earthbound Immortal Wiraqocha Rasca" (1/1) in Attack Position. He then activates the effect of "Earthbound Immortal Wiraqocha Rasca" to reduce Yusei's Life Points to 1 by skipping his Battle Phase (Sergey 6000 → 1). He then Sets a card.

 Turn 5: Sergey 

Sergey draws. "Geo Kraken" attacks directly, but Rex activates his face-down "Roar of the Earthbound" to destroy "Geo Kraken" and inflict half of its total ATK as damage to Sergey, however Sergey activates the Quick-Play Spell Card "Earthbound Fusion", letting him perform a Fusion Summon by using monsters he controls. He fuses "Geo Gremlin" with Geo Gremlina" to Fusion Summon "Earthbound Servant Geo Grasha" (3000/1800) in Attack Position. "Geo Grasha" attacks Rex directly (Rex 2200 → 0).