NEXUS

Executive Summary: The Paradigm Shift

The introduction of K9-X "Ripper/M" in the Burst Protocol expansion represents a paradigm shift for the K9 archetype. Historically a reactive engine reliant on the fragile "Quinquery Lock" (Plan A), the deck has evolved into a high-velocity, interactive powerhouse centered on "Plan B": Reactive Annihilation.

With "Ripper/M" acting as a 0-Point boss monster in the Genesys Format, the deck can now deploy a non-targeting board wipe that negates monster effects, pierces through defense, and shuffles resources—all while leaving room for maximum "Power Staples."

The K9 Unit: Operatives & Toolbox

Main Deck Operatives

K9-04 Noroi
Missing: 47960073

K9-04 Noroi (Intel & Consistency)

The 1-Card Revolution. Beyond being a starter, Noroi allows you to look at the opponent's hand, providing the critical intel needed to time the K9-X Forced Release "nuke."

K9-ØØ Lupis
Missing: 91025875

K9-ØØ Lupis (The Protector)

CRITICAL Grants targeting protection to Xyz monsters using it as material. This makes "Ripper/M" immune to Infinite Impermanence and Effect Veiler, guaranteeing the board wipe resolves.

K9-66a Jokul
Missing: 28642461

K9-66a Jokul (Resource Engine)

Ensures the "Rank 5 per turn" consistency required for the new playstyle. Searches Noroi or Lupis and facilitates proactive board building.

Extra Deck Toolbox

K9-X "Ripper/M"
Missing: 31286915

K9-X "Ripper/M" (The Nuke)

The new Rank 9 Boss. Summoned via "Forced Release".

  • Offense: 3100 ATK with Piercing Damage.
  • Control: Shuffles 2 cards from GY/Banishment on summon.
  • Disruption: Detach 2 to negate a monster effect and destroy ALL cards on the field.

K9-17 "Ripper"
Missing: 27420823

K9-17 "Ripper"

The Rank 5 base. Still essential for searching "A Case for K9" and serving as the primary material ("ladder") for the "Ripper/M" summon.

K9-66X "Jacks"
Missing: 67515699

K9-66X "Jacks" (The Pop)

Used when a board wipe is overkill. "Jacks" provides spot removal and can also step up into Ripper/M if needed.

Protocol: "Plan B" Execution

The "Double Interruption" Sequence

This interaction condenses destruction, GY hate, and an omni-negate board wipe into a single Spell activation window.

K9-17 "Ripper"
Missing: 27420823
1

The Setup

End your turn with a Rank 5 (e.g., K9-17 "Ripper") with K9-ØØ Lupis attached as material. Set K9-X Forced Release.

K9-X Forced Release
Missing: 53792930
2

Activate & Destroy

On opponent's turn, activate Forced Release. Summon K9-X "Ripper/M" using the Rank 5. Destroy 1 card immediately upon resolution.

K9-X "Ripper/M"
Missing: 31286915
3

Shuffle & Nuke

1. Ripper/M triggers: Shuffle 2 opponent's GY/Banished cards into deck.
2. Quick Effect: When opponent activates a monster effect, detach 2 materials to negate it and destroy ALL cards on the field.

End Board Configurations

Plan B: Ripper/M Control

K9-X "Ripper/M"
Missing: 31286915
  • The Nuke: Quick Effect board wipe ready to resolve.
  • Protection: Untargetable via Lupis material.
  • Follow-Up: "A Case for K9" searches next turn starter if destroyed.

Plan A: The Floodgate

Spell Canceller
Missing: 84636823
  • Total Lockdown: "Spell Canceller" prevents all Spell cards.
  • Context: Use against Spell-heavy decks like Sky Striker or Runick where the Nuke is less effective.

Hybrids & Synergies

Vanquish Soul K9

The "Simultaneous Destruction" Loop.

  • The Interaction: Use Vanquish Soul, Start! (or similar protection) when Ripper/M nukes the field.
  • The Result: The board wipe resolves, destroying all opponent's cards, but your VS monsters survive due to the protection applying simultaneously.
  • Status: YCS Bologna Winner (Pierre Burgals).

Orcust K9

The Indestructible Board.

  • Dingirsu Synergy: When Ripper/M detonates, detach from Dingirsu, the Orcust of the Evening Star instead of destroying your board.
  • Result: One-sided Raigeki.

Banlist Impact

LOW IMPACT: The K9 archetype has been moderately restricted by the TCG banlist, with K9-66a Jokul limited.

Archetype Cards

Limited

  • • K9-66a Jokul

Synergistic Cards

Limited

  • • K9-66a Jokul

Banlist Status Summary

+ analyzed • 2 total restrictions found • 1 archetype card • 1 synergistic card