Firewall Deck #775259 — Yu-Gi-Oh! OCG
55 Main, 15 Extra, incl. Ars Magna the Finite and the Infinite x3, Maliss White Rabbit x3, Mulcharmy Fuwalos x3. Created Oct 28, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/28/2026
Main Deck (55)
- Ars Magna the Corruption and the Purification x1
- Ars Magna the Division and the Union x1
- Ars Magna the Finite and the Infinite x3
- Bystial Druiswurm x1
- Bystial Magnamhut x1
- Code of Soul x1
- Droll & Lock Bird x1
- Knightmare Corruptor Iblee x1
- Maliss <P> Chessy Cat x1
- Maliss <P> Dormouse x1
- Maliss <P> March Hare x1
- Maliss <P> White Rabbit x3
- Maxx "C" x1
- Mulcharmy Fuwalos x3
- Mulcharmy Purulia x3
- Wizard @Ignister x1
- Ash Blossom & Joyous Spring x2
- Backup @Ignister x3
- Ghost Belle & Haunted Mansion x3
- Ghost Ogre & Snow Rabbit x3
- Allure of Darkness x1
- Ars Magna "Citrinitas" x1
- Gold Sarcophagus x1
- Maliss in Underground x3
- Anti-Spell Fragrance x1
- Appointer of the Red Lotus x1
- Dominus Impulse x2
- Infinite Impermanence x3
- Maliss <C> GWC-06 x1
- Maliss <C> MTP-07 x1
- Maliss <C> TB-11 x1
- Solemn Accusation x1
- Solemn Judgment x1
- Solemn Warning x2
Extra Deck (15)
- Cyberse Desavewurm x1
- Accesscode Talker x1
- Allied Code Talker @Ignister x1
- Cyberse Wicckid x1
- Firewall Dragon x1
- Firewall Dragon Darkfluid - Neo Tempest Terahertz x1
- Haggard Lizardose x1
- I:P Masquerena x1
- Linguriboh x1
- Link Decoder x1
- Maliss <Q> Hearts Crypter x1
- Maliss <Q> White Binder x1
- Mediclius the Extraordinary Power Patron x1
- S:P Little Knight x1
- Salamangreat Almiraj x1
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 30/100 (±8 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 47 |
| Going First | 40 |
| Going Second | 55 |
| Meta Power | provisional |
| Tournament Reliability | 35 |
- Primary strategy: Toolbox
- Secondary strategies: Midrange, Stun
- Format: ocg
Legality
Main 55 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 2 violation(s).
Identity & game plan
- Win condition: Maliss, Ignister, Ars Magna and Power Patron link boards built from the Extra Deck, with no single dominant route; Bystial and Firewall Dragon beatdown once a Link board is established
- Turn 1 (going first): Open on Backup @Ignister, Ars Magna and Mulcharmy draw effects, then hold hand traps (Ash Blossom, Ghost Belle, Ghost Ogre) for the first opposing interaction; the link line is unreliable on T1 (about 25% for any single 3-copy starter in a 5-card hand)
- Turn 2 (going second): Use the 6-card hand to interrupt the opponent's first summon or search with hand traps (about 82% to hold at least one), then pivot into a Maliss or Ignister link summon
- Recovery: Recursion through Maliss GY/banish effects, Ghost Belle GY recovery and Ars Magna banish-from-hand searches; depends on the Maliss banish pool not being exhausted
- After siding: Not evaluable: the side deck is empty (0 cards), so there is no post-side plan
Why it scores here
The deck can usually open an interaction-first hand: 13 hand traps and 15 negation-text cards give it a strong going-second answer density, and that is the main reason the system earns points on dimensions D7 and D8. Its engine access is thin, though: each 3-copy starter has only about a 25% chance of appearing in a going-first 5-card hand, and the 10-card archetype core is open at least once in about 65% of hands. The deck is spread across five archetype families (Maliss, Ignister, Ars Magna, Mulcharmy, Bystial) with a 1.4% exact-name purity, so the score reflects a toolbox of separate engines rather than one coherent combo, and the points are not an average of individual card strength. No recorded boards, tournament link, or win-rate data exist, so the combo ceiling and floor are text-only inferences and the meta fit is provisional. The deck is also illegal in OCG (Maliss in Underground over its copy limit and a Forbidden Link Decoder), so its score is capped at 30 and is structural-only.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 45 | P(at least one 3-copy starter in a 5-card going-first hand) about 0.25; archetype core open in about 0.65 of hands (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 40 | 22 singleton and 12 multi-copy main-deck slots; many hand traps and conditional Maliss traps dead without a Maliss monster on board (Inferred) |
| D3 | Combo Conversion & Ceiling | 45 | Ceiling from Ars Magna banish-searches into Power Patron Mediclius and Maliss Link boards; no recorded boards to confirm (Inferred) |
| D4 | Combo Floor & Median Output | 40 | No recorded combos, so median and floor cannot be measured; text-only estimate (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 55 | Multiple independent interaction and recursion routes (Maxx C, Droll and Lock Bird, Ghost Belle GY recovery) (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 45 | Maliss banish costs and Gold Sarcophagus card flow are heavy; Ars Magna banish-from-hand searches recover resources (Inferred) |
| D7 | End-Board & Interaction Quality | 70 | 13 hand traps, 15 negation-text cards and 30 removal-text cards in the main deck; several Limited and Semi-Limited answers (Verified flags, Inferred semantics) |
| D8 | Going-Second & Board-Breaking Power | 65 | Going-second hand-trap group holds at least one of 13 hand traps in about 0.82 of 6-card hands (Inferred) |
| D9 | Offensive Pressure & Closing Power | 55 | Link ATK values up to 3000 (Mediclius) and 2500 (Firewall Dragon, Bystial, Maliss Hearts Crypter) show closing potential, with no end-board sample (Verified stats, Inferred use) |
| D10 | Main Deck Efficiency & Flexibility | 40 | 55 main-deck cards across 34 distinct cards and 17 archetype sub-names; compactness is low (Verified composition) |
| D11 | Extra Deck Efficiency & Coverage | 45 | 15 Extra Deck slots, 14 Link and 1 Fusion, spread across at least 5 Link engines with no shared shell (Verified composition, Inferred use) |
| D12 | Side Deck Adaptability | 5 | Side deck is empty (0 of 15 slots used), so no post-side adaptability exists (Verified) |
| D13 | Matchup Coverage & Format Fit | 40 | No dated metagame or tournament data; format fit is neutral and provisional (Provisional) |
| D14 | Pilotability & Error Tolerance | 30 | Multi-archetype engine choices and Link material decisions on every turn; high decision load (Inferred) |
How the score was computed
Strategy profile: Toolbox primary, Midrange secondary (no dated meta; D13 kept, weights as listed). Structural ≈ 47, Going First ≈ 40, Going Second ≈ 55, Meta = provisional, Tournament Reliability ≈ 35. Modifiers: banlist exposure (-6); engine conflicts (-4); hard-garnet burden (-2). Final formula: No reliable metagame: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers = 0.80*47 + 0.20*35 - 12 = 32.6; capped to 30 because the deck is Illegal (theoretical/structural-only score)
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.25 · 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 interaction: 13 hand traps, 15 negation-text cards, 30 removal-text cards
- Multiple independent answers to the opponent's first summon or search
- Several Link threats at 2500 to 3000 ATK in the Extra Deck
Weaknesses
- Starter access is low: about 25% per 3-copy starter in a going-first hand
- Five archetype families with 1.4% exact-name purity, so engines conflict
- No side deck, so no post-side adaptation
- Illegal in OCG: Maliss in Underground over copy limit and Forbidden Link Decoder
Critical choke points
- Backup @Ignister and Ars Magna (the only 3-copy starters) gate most going-first lines
- Maliss banished-card pool for every Maliss Link summon
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | Link Decoder (Forbidden, 1 copy) | one OCG-legal card that continues an existing Link engine in the deck | Removing a Forbidden card is required to make the list legal; the replacement should support the Maliss or Ignister line, not add a new engine |
| 2 | one copy of Maliss in Underground (3 to 2) | one card from the same Maliss or Ignister engine that is not Semi-Limited | Copy limit fix; keeps the Maliss package intact while removing the second violation |
| 3 | one off-archetype tech card | one additional side-deck card | The side deck is empty; a 5 to 10 card side would give post-side adaptability (D12) |
Evidence & confidence
- Verified: Illegal status: Maliss in Underground 3 vs 2 legal copies; Link Decoder 1 vs 0 (Forbidden); Main 55 / Extra 15 / Side 0 within OCG size rules; Hand-trap, negation and removal text counts from composition
- Inferred: Starter hand odds from hypergeometric draw table; Hand-trap interaction density and its effect on D7 and D8; Strategy classification as Toolbox with Midrange secondary
- Provisional: Meta Power (no dated metagame sample); Matchup and format fit (D13)
- Data gaps: no combos supplied; floor, median and ceiling are text-only inference no tournament link; archetype meta share and pilot record absent no win-rate telemetry for going-first, going-second, matchups or brick rate Meta Power is provisional without a dated metagame sample deck is Illegal, so the score is structural-only and capped
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