Firewall Deck #771750 — Yu-Gi-Oh! OCG

55 Main, 15 Extra, incl. Maliss Chessy Cat x3, Maliss March Hare x3, Mulcharmy Fuwalos x3. Created Oct 21, 2026 by YGO Mod.

Deck Firewall OCG

Created by: YGO Mod (20517634)

Created On: 10/21/2026

 
 


Official AI Deck Power Analysis
MidrangeConfidence: Low
38± 10/ 100
Power Score
Structural 51
Reliability 45
Going First 50
Going Second 52

Deck — Deck Power Evaluation

Final Contextual Deck Power: 38/100 (±10 · Confidence: Low)

Overall score Value
Structural Deck Power 51
Going First 50
Going Second 52
Meta Power provisional
Tournament Reliability 45
  • Primary strategy: Midrange
  • Secondary strategies: Toolbox, Stun
  • Format: ocg

Legality

Main 55 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 3 violation(s).

Identity & game plan

  • Win condition: Link-summon chain into 2300-2500 ATK Link monsters (Maliss Red Ransom, Accesscode Talker, Firewall Dragon, Maliss Hearts Crypter) that take over the board; Direct pressure from Underworld Goddess of the Closed World (3000 ATK Link-5) and Maliss Chessy Cat recursion
  • Turn 1 (going first): Open a Maliss/Ignister/Cyberse starter, draw with Chessy Cat or Maliss Chessy-style draw effects, and link into a 2300+ ATK Link monster; hold Ash Blossom and Infinite Impermanence for the first response
  • Turn 2 (going second): Use hand traps (Ash Blossom, Ghost Ogre & Snow Rabbit, Nibiru, Infinite Impermanence) to disrupt the opponent's first Summon, then rebuild through Maliss banish-recursion
  • Recovery: Maliss Link monsters and banished Maliss cards are the recovery engine; Mulcharmy draw effects refill the hand once the board is empty
  • After siding: No side deck is registered (Side Deck size 0), so there is no evaluated post-side plan

Why it scores here

The deck is Illegal as submitted: three cards exceed their OCG copy limits (Ash Blossom and Dominus Impulse at 3 copies against a limit of 2, Allure of Darkness at 2 against 1), so it does not receive a normal Final Contextual score and is capped low as a structural-only read. Structurally it is a Midrange Cyberse/Maliss-style list whose strength is interaction density: ten hand traps and thirteen negation-text cards give it real answers on the opponent's first Summon. Its offense is credible on the Extra Deck side, where Link-3 to Link-5 monsters reach 2300 to 3000 ATK, but there are no recorded boards, so ceiling and median output are inferred from card text only. Scores come from consistency, interaction and Extra Deck coverage on the system as a whole; the archetype label 'Firewall' has no exact-name copies and the deck is really a Maliss/Ignister/Mulcharmy hybrid, and popularity or card-by-card averages earned no points.

Dimension scores

# Dimension Score Evidence
D1 Engine Accessibility & Consistency 55 P(≥1 archetype-core card in opening 5) ≈ 0.81 across 15 Maliss/Ignister/Cyberse core copies; starter access is decent but split across sub-archetypes (Inferred)
D2 Opening-Hand Quality & Brick Management 45 17 tech and 10 hand-trap slots plus 12 three-of cards and 11 singletons give a high dead-card risk in opening hands; no brick data (Inferred)
D3 Combo Conversion & Ceiling 50 No parseable boards (total combos 0); ceiling read from Link-summon chains to 2300-3000 ATK Link monsters in card text only (Inferred)
D4 Combo Floor & Median Output 40 No recorded combos, so median output is unknown and set conservatively below the ceiling (Provisional)
D5 Interruption Resilience & Route Redundancy 55 Ten hand traps and Maliss banish-recursion give multiple disruption answers, but the Link lines are single-chain (Inferred)
D6 Resource Economy, Recovery & Grind 45 Maliss banish costs and Ash/Impermanence spend resources with limited regeneration beyond Mulcharmy draws (Inferred)
D7 End-Board & Interaction Quality 70 Ten hand traps and 13 negation-text cards plus Dominus Spark/Impulse give layered interaction (Inferred, from role tags and card text)
D8 Going-Second & Board-Breaking Power 60 Ghost Ogre, Ash and Nibiru punish going-second boards, but no going-second split is recorded (Inferred)
D9 Offensive Pressure & Closing Power 60 Link-5 Underworld Goddess (3000 ATK) and 2300-2500 ATK Link monsters give closing power; no end-board sample exists (Inferred)
D10 Main Deck Efficiency & Flexibility 45 55 main-deck cards with 27 distinct names and a 3-copy-heavy histogram is bloated for a combo-driven list (Inferred)
D11 Extra Deck Efficiency & Coverage 50 All 15 Extra Deck slots are Link monsters with good overlap, but the mix is heavy on Maliss-specific Links (Inferred)
D12 Side Deck Adaptability 15 No side deck is registered (Side Deck size 0), so post-side adaptability is effectively absent (Verified)
D13 Matchup Coverage & Format Fit 45 No tournament link or dated meta sample; archetype fit is Provisional
D14 Pilotability & Error Tolerance 55 Several Link-chain sequences with multiple optional triggers and sub-archetype conditions raise the decision load (Inferred)

How the score was computed

Strategy profile: Midrange primary, Toolbox secondary (no separate blend ratio computed). Structural ≈ 51, Going First ≈ 50, Going Second ≈ 52, Meta = provisional, Tournament Reliability ≈ 45. Modifiers: Illegal copy-limit violations (-12). Final formula: Illegal list: 0.80*Structural(51) + 0.20*TournamentReliability(45) = 49.8, then the -12 illegal-copy-limit modifier → 38 (theoretical/structural-only, capped low)


More OCG Info

Firewall

Firewall Breakdown

 
 

 

 

 

 

 

 
 

 

 
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