Firewall Deck #771797 — Yu-Gi-Oh! OCG
55 Main, 15 Extra, incl. Firewall Defenser x3, Mulcharmy Fuwalos x3, Ash Blossom & Joyous Spring x3. Created Oct 21, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/21/2026
Main Deck (55)
- Code Generator x1
- Code of Soul x1
- Dotscaper x1
- Droll & Lock Bird x1
- Firewall Defenser x3
- Firewall Guardian x1
- Firewall Phantom x1
- Gatchiri @Ignister x1
- Knightmare Corruptor Iblee x1
- Mathmech Addition x1
- Mathmech Circular x1
- Micro Coder x1
- Mulcharmy Fuwalos x3
- Mulcharmy Meowls x2
- Mulcharmy Purulia x2
- Nibiru, the Primal Being x2
- Parallel eXceed x2
- Wizard @Ignister x1
- Cyberse Code Magician x1
- Ash Blossom & Joyous Spring x3
- Backup @Ignister x2
- Ghost Belle & Haunted Mansion x2
- Ghost Ogre & Snow Rabbit x3
- Mathmech Diameter x1
- Mathmech Sigma x1
- Cynet Codec x1
- Cynet Mining x3
- Hey, Space Trunade! x2
- Salamangreat Sanctuary x1
- Small World x3
- Triple Tactics Thrust x2
- Cynet Conflict x1
- Evenly Matched x1
- Iron Thunder x2
Extra Deck (15)
- Accesscode Talker x1
- Allied Code Talker @Ignister x1
- Code Talker Inverted x1
- Cyberse Contract Witch x1
- Cyberse Wicckid x1
- Decode Talker Heatsoul x1
- Decode Talker Integration x1
- Excode Talker x1
- Firewall Dragon x1
- Salamangreat Almiraj x1
- Salamangreat Balelynx x1
- Transcode Talker x1
- Code Igniter x1
- Primathmech Alembertian x1
- Primathmech Laplacian x1
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 30/100 (±10 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 57 |
| Going First | 52 |
| Going Second | 60 |
| Meta Power | provisional |
| Tournament Reliability | 42 |
- Primary strategy: Midrange
- Secondary strategies: Stun
- Format: ocg
Legality
Main 55 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 1 violation(s).
Identity & game plan
- Win condition: Link-4/5 boards with 2300+ ATK monsters (Allied Code Talker @Ignister, Decode Talker Integration, Accesscode Talker, Transcode Talker) built from Cyberse Link Summons, with hand traps protecting the first turn.; Mathmech/Primathmech Xyz follow-up (Primathmech Laplacian, Primathmech Alembertian) and Cyberse recursion through Code Talker and Firewall Link materials.
- Turn 1 (going first): Search a Cyberse starter (Cynet Mining, Backup @Ignister, Mathmech Circular) and Link Summon toward a Link-3 to Link-5 board, keeping Ash Blossom or Ghost Ogre up as a backup.
- Turn 2 (going second): Hold hand traps (Ash Blossom, Ghost Ogre & Snow Rabbit, Droll & Lock Bird, Nibiru) to stop the opponent's first board, then rebuild with Extra Deck Link and Xyz summons.
- Recovery: Mulcharmy monsters draw cards when the hand is empty and Firewall monsters return material from the GY; the Extra Deck supplies a second Link Summon.
- After siding: None: the Side Deck is empty (0 cards), so no post-side plan exists.
Why it scores here
This deck is scored as a system, not as an average of its card scores. It reliably opens with searchers (about 81% chance of at least one searcher in a 5-card hand, from the searcher-text group) and a Cyberse Link chain, and it has heavy hand-trap and negation coverage (about 79% chance of at least one hand trap when going second). Its closing power comes from 2300+ ATK Link monsters in the Extra Deck, but no combo or board data exists, so the ceiling and median are text-only inferences. The list runs only 10 of the 25 archetype-core cards and 66 off-archetype copies (exact-name purity 5.7%), which spreads resources across Code Talker, Mathmech, Ignister and Cyber sub-archetypes; popularity and usage statistics did not earn points. The deck is Illegal (Ash Blossom & Joyous Spring at 3 copies against a limit of 2), so the Structural score of 57 is theoretical only and the Final score is capped at 30.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 62 | P(at least one searcher in 5) about 0.81; archetype core P(open) about 0.89; no combo data for starter reliability (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 50 | Hand traps and tech cards are dead without targets, so brick risk is moderate; estimate only, no measured brick rate (Inferred) |
| D3 | Combo Conversion & Ceiling | 55 | Text-only read of Link-4/5 chains to 2300+ ATK monsters; no recorded boards (Inferred) |
| D4 | Combo Floor & Median Output | 45 | No recorded boards, so median output is unknown and kept below the ceiling (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 62 | Redundant searchers and about 12 hand traps give several independent continuation routes (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 60 | Draw and search effects (Mulcharmy, Cynet Mining, Small World) support recovery; no resource telemetry (Inferred) |
| D7 | End-Board & Interaction Quality | 68 | Interaction density is high (about 12 negation-text and 20 removal-text cards); no measured end-board data (Inferred) |
| D8 | Going-Second & Board-Breaking Power | 66 | Going-second hand-trap coverage is strong (about 79% for at least one hand trap in 6 cards) (Inferred) |
| D9 | Offensive Pressure & Closing Power | 66 | Several Link-4/5 and Xyz closers, but no measured closing data (Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 58 | 55 Main cards in the 40-60 range, 34 distinct cards, low exact-archetype purity (Verified) |
| D11 | Extra Deck Efficiency & Coverage | 70 | 15 Extra Deck cards: 12 Link and 3 Xyz, covering several sub-archetype routes (Verified) |
| D12 | Side Deck Adaptability | 15 | Side Deck is empty, so there is no post-side adaptation (Verified) |
| D13 | Matchup Coverage & Format Fit | 50 | No tournament or meta data; archetype meta-share is absent (Provisional) |
| D14 | Pilotability & Error Tolerance | 35 | Multi-step Link chains and hand-trap timing make the deck hard to pilot (Inferred) |
How the score was computed
Strategy profile: Midrange. Structural ≈ 57, Going First ≈ 52, Going Second ≈ 60, Meta = provisional, Tournament Reliability ≈ 42. Modifiers: Illegal copy-limit cap (0); No side deck (-4); Engine conflicts and off-archetype mix (-3). Final formula: No-meta formula: 0.80*57 + 0.20*42 = 53.95; modifiers -7 gives 46.95 (about 47). Illegal-deck cap (Step 2) sets the final score to 30. The Structural value of 57 is theoretical only.
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.81 · key two-card combo ≈ — · full-brick estimate ≈ — (all Inferred)
- Combo output: best PowerIndex —, median —, board-per-starter —
- Turn order: 0 going-first lines vs 0 going-second lines
Strengths
- Dense searcher and hand-trap coverage for consistent openings
- Extra Deck has 12 Link and 3 Xyz cards covering multiple routes
- High negation and removal density for going second
Weaknesses
- Illegal copy-limit violation (Ash Blossom x3)
- No Side Deck
- Low archetype purity and conflicting sub-archetype engines
- No recorded combo or win-rate data
Critical choke points
- Ash Blossom & Joyous Spring copy count (must drop to 2 to be legal)
- Cyberse Link-3+ material chain for the 2300+ ATK closers
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | 1 copy of Ash Blossom & Joyous Spring | Any legal card of your choice (or leave Main at 54, which is still legal) | Clears the only legality violation so the deck can receive a normal Final score. |
| 2 | None | A Side Deck (up to 15 cards) | The Side Deck is empty; adding a post-side plan would raise D12 and Tournament Reliability. |
| 3 | Off-archetype cards that do not feed the chosen Link engine | Core Cyberse or Code Talker cards for one engine | Improves engine coherence and D10/D1. |
Evidence & confidence
- Verified: Legality: Illegal (Ash Blossom 3 copies vs 2 legal); Main 55, Extra 15, Side 0 within OCG size rules for Main and Extra; Side 0 is within the 0-15 rule; Exact-name purity 5.7% with 66 off-archetype copies; Extra Deck is 12 Link and 3 Xyz; Usage stats: 10 of 25 core cards present
- Inferred: Starter probabilities from the hypergeometric estimates; Hand-trap and interaction density estimates from card text; Going-first and going-second estimates
- Provisional: Meta Power (null); D13 matchup/format fit (no tournament context)
- Data gaps: No combos supplied: combo floor, median and ceiling are text-only inference No tournament link: archetype meta-share and per-pilot match record are absent No win-rate telemetry: going-first/second, matchup and brick rates are Inferred or Unknown Meta Power is Provisional unless a dated metagame sample is supplied Side Deck is empty, so post-side plans cannot be assessed
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