Evilswarm Deck #38273 — Yu-Gi-Oh! Master Duel
Created by: YGO Mod (20517634)
Created On: 01/01/2023
Main Deck (40)
- Dimension Shifter x3
- Evilswarm Castor x3
- Evilswarm Kerykeion x3
- Evilswarm Mandragora x1
- Rescue Rabbit x1
- Evilswarm Heliotrope x3
- Ash Blossom & Joyous Spring x3
- Infestation Pandemic x2
- Lightning Storm x3
- Pot of Extravagance x2
- Pot of Prosperity x1
- Reinforcement of the Army x1
- Unexpected Dai x3
- Anti-Spell Fragrance x2
- Macro Cosmos x3
- Solemn Judgment x3
- There Can Be Only One x3
Extra Deck (15)
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20± 8/ 100
Power Score
Structural
45
Reliability
35
Going First
42
Going Second
47
Deck — Deck Power Evaluation
Final Contextual Deck Power: 20/100 (±8 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 45 |
| Going First | 42 |
| Going Second | 47 |
| Meta Power | provisional |
| Tournament Reliability | 35 |
- Primary strategy: Midrange
- Secondary strategies: Stun, Toolbox
- Format: master-duel
Legality
Main 40 / Extra 15 / Side 0 — status: Illegal. 8 violation(s).
Identity & game plan
- Win condition: Lswarm Xyz boards (Evilswarm Ophion, Bahamut, Exciton Knight) built from Level 4 Normal Summons, with Infestation follow-up; Non-engine Xyz finishers (Arc Rebellion Xyz Dragon, Divine Arsenal AA-ZEUS) and floodgate-driven pressure
- Turn 1 (going first): Normal Summon a Level 4 Lswarm monster (Heliotrope, Castor, Kerykeion) and build toward a 2-material Xyz; floodgates and Solemn Judgment protect the first board. The deck's legal copy counts (Solemn 1, TCBO 1) are not met, so this plan is theoretical only.
- Turn 2 (going second): Hold up Ash Blossom and the other hand traps (6 in the deck) to answer the opponent's first summon, then Special Summon Mandragora or Rescue Rabbit to rebuild the Lswarm engine.
- Recovery: Searchers (Reinforcement of the Army, Pot of Prosperity, Infestation Pandemic via Ophion) and Graveyard recursion from Kerykeion and Heliotrope; the Forbidden searcher Pot of Prosperity cannot be counted as a recovery piece in this format.
- After siding: Not evaluable: the deck runs 0 Side Deck cards, so there is no post-side plan.
Why it scores here
The deck's core Lswarm engine of Level 4 Normal Monsters into Xyz (Ophion, Bahamut, Exciton Knight) gives it a usable starter line, at about 34% for at least one copy of a 3-copy card in a 5-card opening hand (Inferred). That engine is undercut by a main deck with 23 tech-tagged cards, 11 floodgates and no combo data, so the median output is weak. Six hand traps and a set of floodgates give reasonable going-second interaction, but the deck fails legality: 5 Forbidden cards and 3 over-limit Limited cards put it in the Illegal band, so it receives a capped score rather than a normal contextual score. Popularity and the archetype guide did not earn points, and the score was built from system-level consistency, interaction and legality, not from averaging individual card scores.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 55 | P(>=1 of a 3-copy starter in 5-card hand) ≈ 0.34; Lswarm Level 4 Normal Monsters provide a live T1 path (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 40 | 23 of 40 main-deck cards are tech and 11 are floodgates, so many hands are non-functional or conflicting (Inferred) |
| D3 | Combo Conversion & Ceiling | 45 | No parseable boards; ceiling is text-only inference from Ophion, Bahamut and Exciton Knight (Inferred) |
| D4 | Combo Floor & Median Output | 40 | No recorded combos; median output unknown and cannot be measured (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 50 | Six hand traps and multiple Lswarm recursion routes give some redundancy after disruption (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 45 | Searchers and Graveyard recursion exist in text, but two searchers are Forbidden (Verified text, Inferred) |
| D7 | End-Board & Interaction Quality | 50 | Interaction density from legal hand traps and Solemn Judgment, with Solemn over the copy limit (Verified flags, Inferred) |
| D8 | Going-Second & Board-Breaking Power | 55 | Six hand traps and Mandragora/Rescue Rabbit reach going-second boards; the board-breaker count is low (Inferred) |
| D9 | Offensive Pressure & Closing Power | 50 | Ophion, Bahamut and Exciton Knight give end-board pressure; Arc Rebellion and ZEUS add closing power (Verified stats, Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 35 | Main deck 40 cards with 23 tech cards and 55 off-archetype exact-name copies; sub-archetypes are coherent but the list is not compact (Verified composition, Inferred) |
| D11 | Extra Deck Efficiency & Coverage | 40 | 15 Extra Deck slots across 13 Xyz and 2 Link, with Forbidden Abyss Dweller and Number 41 reducing usable slots (Verified) |
| D12 | Side Deck Adaptability | 20 | No side deck is supplied, so there is no post-side adaptation (Verified) |
| D13 | Matchup Coverage & Format Fit | 40 | No tournament link or metagame sample; archetype usage stats only (Provisional) |
| D14 | Pilotability & Error Tolerance | 45 | Multi-step Xyz lines with many decision points and hand-trap timing; moderate complexity (Inferred) |
How the score was computed
Strategy profile: Balanced (default; strategy is Midrange with Stun secondary, weights not forced). Structural ≈ 45, Going First ≈ 42, Going Second ≈ 47, Meta = provisional, Tournament Reliability ≈ 35. Modifiers: banlist_exposure (-12); illegal_copy_limit_cap (0). Final formula: No reliable metagame: 0.80*Structural + 0.20*TournamentReliability (Meta provisional) = 43 before modifiers; Illegal-deck cap applied to 20
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.34 · 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
- Lswarm Level 4 Normal Monsters give an accessible T1 starter path
- Six hand traps and floodgates give going-second interaction
- Xyz finishers (Ophion, Bahamut, Exciton Knight) give end-board pressure
Weaknesses
- Illegal: 5 Forbidden and 3 over-limit Limited cards
- 23 tech cards and 11 floodgates create brick and conflict risk
- Zero side deck cards, so no post-side plan
Critical choke points
- Starter density: about 34% for a 3-copy starter in a 5-card hand
- Lswarm Xyz route depends on Level 4 Normal Summons from hand
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | Dimension Shifter, Anti-Spell Fragrance, Pot of Prosperity, Abyss Dweller, Number 41: Bagooska | Legal Lswarm Level 4 monsters or legal hand traps | These are Forbidden in Master Duel and the list cannot be legally played without replacing them |
| 2 | Solemn Judgment (3 copies), There Can Be Only One (3 copies), Pot of Extravagance (2 copies) | Reduce each to the Limited allowance of 1 copy | Over-limit copies make the deck illegal |
| 3 | Some of the 23 tech-tagged cards | Core Lswarm starters and searchers | Reduces brick risk and improves the consistency of the starter line |
| 4 | None (side deck absent) | A 15-card side deck | Enables post-side adaptation; the current list has no side plan |
Evidence & confidence
- Verified: Legality: 9 violations; 5 Forbidden and 3 Limited over-limit copies; Main 40 and Extra 15 meet the size rules; Side 0; Card text and stats from the evidence cards
- Observed: Usage stats: 25 core cards from the Evilswarm archetype; none present in this deck
- Inferred: Starter probability and brick risk from hypergeometric estimates; Interaction density and going-second read from text roles
- Provisional: Matchup fit and meta position: no dated sample
- Data gaps: no combos supplied — combo floor/median/ceiling is text-only inference no tournament link — archetype meta-share and per-pilot match record absent no win-rate telemetry exists in YGOVN — those signals are Inferred or Unknown Meta Power is Provisional unless a dated metagame sample is supplied No side deck supplied — D12 cannot be measured
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