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Who Let Him Play Yugioh? (Re-Upload)

Chapter 580 580: A Sleeper Archetype · Oct 22, 2026

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Chapter List (1278)

Page number / 26

551 Chapter 551 551: Real-World Spirits 2026-10-22
552 Chapter 552 552: Event Invitation 2026-10-22
553 Chapter 553 553: Everyone’s an Undercover 2026-10-22
554 Chapter 554 554: The Mole Is Exposed 2026-10-22
555 Chapter 555 555: Kagemaru’s Deck 2026-10-22
556 Chapter 556 556: Sphere 2026-10-22
557 Chapter 557 557: Fated With This Deck 2026-10-22
558 Chapter 558 558: Tracking 2026-10-22
559 Chapter 559 559: Kagemaru 2026-10-22
560 Chapter 560 560: To Stay Alive 2026-10-22
561 Chapter 561 561: Nothing but traps? 2026-10-22
562 Chapter 562 562: Everything’s a pitfall 2026-10-22
563 Chapter 563 563: The Sacred Beast descend 2026-10-22
564 Chapter 564 564: A Desperate Gamble 2026-10-22
565 Chapter 565 565: A Weary Life 2026-10-22
566 Chapter 566 566: One of Our Own 2026-10-22
567 Chapter 567 567: Underworld Deck 2026-10-22
568 Chapter 568 568: The Graduation Duel 2026-10-22
569 Chapter 569 569: Jail Duel, As Expected 2026-10-22
570 Chapter 570 570: The Evolving Cyber Dragon 2026-10-22
571 Chapter 571 571: Borrowing an Old Friend 2026-10-22
572 Chapter 572 572: Fortress Devours Fortress 2026-10-22
573 Chapter 573 573: Cyber-Style’s Ultimate Secret 2026-10-22
574 Chapter 574 574: Dueling Comes First 2026-10-22
575 Chapter 575 575: If You Don’t Disdain Us 2026-10-22
576 Chapter 576 576: Allies of Justice 2026-10-22
577 Chapter 577 577: Trusted Lieutenant 2026-10-22
578 Chapter 578 578: Prison No. 7 2026-10-22
579 Chapter 579 579: Snake River 2026-10-22
580 Chapter 580 580: A Sleeper Archetype 2026-10-22
581 Chapter 581 581: The Vampire Ace 2026-10-22
582 Chapter 582 582: He’s a Nice Guy 2026-10-22
583 Chapter 583 583: Challenging the House 2026-10-22
584 Chapter 584 584: Another Encounter with the Dark Web 2026-10-22
585 Chapter 585 585: Infinite Night Assailant 2026-10-22
586 Chapter 586 586: Never-Ending 2026-10-22
587 Chapter 587 587: The Lurking Opponent 2026-10-22
588 Chapter 588 588: Zigfried 2026-10-22
589 Chapter 589 589: Human or Ghost? 2026-10-22
590 Chapter 590 590: Valkyrie 2026-10-22
591 Chapter 591 591: Why Always the Turtle? 2026-10-22
592 Chapter 592 592: Catapult Turtle, Simple and Honest 2026-10-22
593 Chapter 593 593: The Valkyrie’s Fake Card 2026-10-22
594 Chapter 594 594: Sacrifice Escape 2026-10-22
595 Chapter 595 595: Avenged for Nothing? 2026-10-22
596 Chapter 596 596: Zigfried Is Dead 2026-10-22
597 Chapter 597 597: The Card Professor 2026-10-22
598 Chapter 598 598: Full Thorns 2026-10-22
599 Chapter 599 599: Medicine Eater 2026-10-22
600 Chapter 600 600: I Want to Return to the Academy 2026-10-22

The Snake deck showed up in GX—used by upperclassman Seika Kohinata in later arcs.

As a ”NPC” deck, it actually got an unusual amount of cardboard—more than some protagonist builds. But calling it a ”deck” is a stretch; under real Yugioh rules, it had no shared archetype tag.

The manga called it ”Snake,” but not a single monster actually had ”Snake” in its name. Yet the effect text often said ”Snake deck,” which is confusing.

Take Viper’s Grudge, which Snake River just used. In the manga it Special Summoned a Level 4-or-below Snake from the deck; the printed card standardized it to any Level 4-or-below Reptile.

Summon pool massively buffed—generic Reptile support. But the trigger got nerfed hard: manga version triggered on any Reptile being sent to GY; real card requires battle destruction.

”Viper’s Grudge: Special Summon a new snake. I bring out a second Black Mamba!”

The same black snake, mark II, slithered out in a cloud of poison.

[Black Mamba ATK 1300]

Kira frowned.

By manga text, Viper’s Grudge triggers off any Reptile going to GY and is Continuous with no ”once per turn.”

Which means his Reptiles become functionally immortal—every attack only feeds him more deck access. The more you fight, the more he snowballs…

And since it’s ”sent,” tributing likely counts too.

That can generate a lot of advantage—must be removed fast.

”I set two. Turn end.”

Snake River: ”My turn. Draw!”

Before he could act, Kira moved.

”I activate the Trap: Vampire Takeover. If I control no cards and all face-up monsters I control are Zombies, I can activate this from the deck…”

The deck auto-searched and ejected a card. Kira pulled it, his deck auto-shuffled.

A hidden slot popped open; he slid the card in, and it locked.

”Field Spell—Vampire Kingdom—activate!”

A crimson moon rose, blood-red mist billowed. A jagged castle heaved up under the moon’s glow, its silhouette etched in gore-lit light, like a clawing giant.

”You activated a Field from the deck?” Snake River frowned.

”Not just that—Takeover has more.”

He took a card from the GY and revealed it.

”Special Summon one DARK ’Vampire’ monster from my GY in face-up Defense. Naturally, it’s the one Gozuki sent last turn.”

He slapped it down.

”Vampire Grace, in defense!”

[Vampire Grace DEF 1200]

”So easy to bring out a Tribute monster?” Snake River grew more serious. ”As expected of KaibaCorp’s lapdogs—you’ve got some skill. But 1200 DEF won’t save you.

Then I summ—”

”Hold up—your Standby Phase isn’t over.”

Kira tapped a button.

”I activate my other set: the Trap Vampire Awakening!”

Snake River’s normal summon stalled, and he shot Kira a look.

Whose turn is this, yours or mine?

”Awakening: Special Summon a ’Vampire’ from the deck; it’s destroyed in the End Phase.”

Kira drew the ejected card.

”I Special Summon Vampire Duke.”

[Vampire Duke ATK 2000]

”Another Tribute that fast?” Snake River scowled. ”But it self-destructs—no threat.”

”Vampire Duke: when Special Summoned, declare Monster, Spell, or Trap; your opponent sends one of the declared type from the deck to the GY.

I declare Spell.”

Snake River thought, then sent a random Spell.

”And?”

”In that moment, Vampire Kingdom triggers,” Kira said. ”Once per turn, if a card is sent from your deck to the GY: send a DARK ’Vampire’ from hand or deck to the GY.”

His deck ejected another Vampire; he fed it to the GY.

”Then destroy one card you control—goodbye, Viper’s Grudge.”

Blood-mist arrows whistled from the crimson fog, riddling the trap with holes.

Snake River’s face finally changed.

”So that was your target…”

Now his monsters lost their immortality and he couldn’t chain Reptiles from deck at will.

”Alright—Main Phase resumes. It’s still your turn. Go ahead,” Kira gestured.

Snake River: ”…”

So you do know it’s my turn.

”Hmph. I Tribute my Black Mamba to Tribute Summon—

—Level 5: Urubonus, the Avatar of Malice!”

[Urubonus, the Avatar of Malice ATK 2000]

If memory served, the printed version can Special Summon itself by tributing a Reptile you control—doesn’t use up Normal Summon, a buff over the manga.

”Urubonus attacks Gozuki! During battle, the monster battling Urubonus loses 300 ATK/DEF!”

[Gozuki ATK 1700 → 1400]

The serpent bit into the minotaur’s arm; he roared as his body rotted and split.

[Kira LP 4000 → 3400]

The printed card’s aura debuffed all opponent monsters by 300 while it stayed—another buff.

And it had a third effect the manga lacked: by tributing a monster you control, reduce all opponent monsters’ ATK/DEF by the tributed monster’s ATK until end of turn.

An epic upgrade from the source.

Kira narrowed his eyes.

Whoever this guy was, his deck had serious R&D potential.

Polish this list, publish a few papers—another heavyweight result.

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