Kaiju Deck #774221 — Yu-Gi-Oh! Master Duel
40 Main, 15 Extra, incl. Danger! Nessie! x3, Danger!? Jackalope? x3, Danger!? Tsuchinoko? x3. Created Oct 25, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/25/2026
Main Deck (40)
- Danger! Bigfoot! x2
- Danger! Chupacabra! x1
- Danger! Mothman! x2
- Danger! Nessie! x3
- Danger! Ogopogo! x1
- Danger! Thunderbird! x2
- Danger!? Jackalope? x3
- Danger!? Tsuchinoko? x3
- Dogoran, the Mad Flame Kaiju x2
- Gameciel, the Sea Turtle Kaiju x2
- Kashtira Fenrir x2
- Kumongous, the Sticky String Kaiju x2
- Radian, the Multidimensional Kaiju x1
- Thunder King, the Lightningstrike Kaiju x1
- Ash Blossom & Joyous Spring x3
- Interrupted Kaiju Slumber x3
- Kyoutou Waterfront x2
- Upstart Goblin x3
- Kaiju Capture Mission x1
- Second Expedition into Danger! x1
Extra Deck (15)
- A Bao A Qu, the Lightless Shadow x1
- Accesscode Talker x1
- Akashic Magician x1
- Borreload Dragon x1
- Borrelsword Dragon x1
- Gorgon of Zilofthonia x1
- I:P Masquerena x1
- Knightmare Cerberus x1
- Knightmare Phoenix x1
- Knightmare Unicorn x1
- S:P Little Knight x1
- Security Dragon x1
- Underworld Goddess of the Closed World x1
- W:P Fancy Ball x1
- Worldsea Dragon Zealantis x1
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 53/100 (±8 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 60 |
| Going First | 52 |
| Going Second | 66 |
| Meta Power | provisional |
| Tournament Reliability | 56 |
- Primary strategy: Midrange
- Secondary strategies: Blind-Second/OTK
- Format: master-duel
Legality
Main 40 / Extra 15 / Side 0 — status: Legal.
Identity & game plan
- Win condition: Board-breaking Kaiju Special Summons (Dogoran, Thunder King, Radian, Gameciel, Kumongous) and 2800-3300 ATK beaters, fed by the Danger! hand-reveal engine.; Link beaters (Borrelsword Dragon and Borreload Dragon, 3000 ATK) once Link material is on the field.
- Turn 1 (going first): Open on the Danger! hand-reveal chain for card flow and a searcher line (Kyoutou Waterfront, Kashtira Fenrir); Kaiju summons are unavailable until the opponent controls a monster.
- Turn 2 (going second): Answer the opponent's first monster with a Kaiju tribute Special Summon, protected by Ash Blossom and followed by Interrupted Kaiju Slumber to clear the board.
- Recovery: Danger! monsters re-summon from hand whenever they are discarded, Upstart Goblin and searchers rebuild the hand, and Kaiju Slumber resets the field.
- After siding: Not applicable: Master Duel has no side deck (side_count 0).
Why it scores here
The structural score comes from the system: the Danger! hand-reveal engine is live in about 95% of opening 5-card hands (Inferred, hypergeometric over 17 Danger! monsters), and it feeds Kaiju board-breakers and 2800-3300 ATK beaters that convert a going-second board. The score does not come from Kaiju or Danger! popularity, and card scores were not averaged. No recorded boards exist (combos_evidence total 0), so median and ceiling output are Inferred from card text and confidence stays Low. The list is split across three archetypes plus generic Links (exact-name purity 25.5%), the Extra Deck has no Kaiju Link, and Kaiju summons need an opponent monster, which caps going-first. Final 53 with a ±8 band; Meta Power is null and Tournament Reliability is Inferred.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 70 | P(>=1 Danger! monster in opening 5) = 0.949 across 17 Danger! monsters; Kaiju core accessible from hand only with an opponent monster (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 58 | Kaiju cards are dead when going first and only 3 Ash Blossom hand traps exist; no brick rate supplied (Inferred) |
| D3 | Combo Conversion & Ceiling | 52 | No recorded boards; Danger! to draw to Kaiju/Link chain assessed from card text only (Inferred) |
| D4 | Combo Floor & Median Output | 48 | Median output unknown: combos_evidence has 0 boards and usage stats carry no output data (Provisional) |
| D5 | Interruption Resilience & Route Redundancy | 62 | Several independent starters (Danger!, Kaiju, Kashtira Fenrir) and 3 Ash Blossom answers; recovery not measured (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 66 | 10 searcher-text cards with P(>=1 in opening 5) = 0.783, plus 3 Upstart Goblin for card flow (Inferred) |
| D7 | End-Board & Interaction Quality | 62 | 13 removal-text and 7 negation-text cards, including 3 Interrupted Kaiju Slumber for mass removal (Inferred from text) |
| D8 | Going-Second & Board-Breaking Power | 70 | Kaiju tribute summons and Kaiju Slumber favor going-second boards; no going-second split recorded (Inferred from text) |
| D9 | Offensive Pressure & Closing Power | 74 | Attack values 2800-3300 (Dogoran 3000, Thunder King 3300, Radian 2800) plus Borrelsword and Borreload at 3000 (Verified stats) |
| D10 | Main Deck Efficiency & Flexibility | 58 | 40 main cards, 20 distinct, 6 singletons; exact-name purity 25.5% across Danger!, Kaiju and generic cards (Verified) |
| D11 | Extra Deck Efficiency & Coverage | 55 | 15 Link Extra cards from several archetypes and generics with no Kaiju Link; Link access depends on main-deck material (Inferred) |
| D12 | Side Deck Adaptability | 40 | No side deck in Master Duel (side_count 0); adaptation limited to in-game choices (Provisional) |
| D13 | Matchup Coverage & Format Fit | 50 | No tournament link and no archetype meta-share; format fit cannot be measured (Provisional) |
| D14 | Pilotability & Error Tolerance | 45 | Multi-step conditional summons (tribute opponent monsters, one Kaiju per control, Danger! reveal chains) raise decision load (Inferred) |
How the score was computed
Strategy profile: Midrange. Structural ≈ 60, Going First ≈ 52, Going Second ≈ 66, Meta = provisional, Tournament Reliability ≈ 56. Modifiers: Engine conflict across archetypes (-3); Kaiju summon needs an opponent monster (-2); No Kaiju Link in Extra Deck (-1). Final formula: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers (Meta provisional): 0.80*60.09 + 0.20*56 - 6 = 53.27
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.95 · 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
- Danger! engine is live in roughly 95% of opening 5-card hands (Inferred)
- Kaiju tribute summons and Interrupted Kaiju Slumber convert a going-second board
- Several high-ATK beaters: Thunder King 3300, Dogoran 3000, Borrelsword 3000, Radian 2800
- Redundant card flow: 3 Upstart Goblin, 10 searcher-text cards, Danger! draw on summon
Weaknesses
- Three archetypes plus generics: exact-name purity 25.5%, so engine coherence is weak
- Kaiju summons are dead going first until the opponent controls a monster
- Extra Deck has no Kaiju Link; Link access depends on other archetypes
- Only 3 hand traps (Ash Blossom), so going-second interaction is thin
- No recorded boards, so the combo ceiling and median are not measured
Critical choke points
- Opening hand with no Danger! monster (about 5% of 5-card hands) and no Kaiju-compatible board for a going-first opponent
- Single hand-trap type (Ash Blossom x3) against a going-second opponent's first response
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | 1 Upstart Goblin | 1 extra copy of Danger! Chupacabra or Danger! Ogopogo | Raises Danger! starter density, the most accessible engine, without adding dead cards to the opening hand |
| 2 | Security Dragon (Extra) | Extra Deck slot for a Knightmare or Borrel Link that uses Danger! monsters as material | Improves Extra Deck coherence with the main-deck engine; Security Dragon has the weakest archetype link (Inferred) |
Evidence & confidence
- Verified: Legal in Master Duel: 40 main, 15 extra, 0 side, all 35 distinct cards Unlimited; Attack values and copy counts from the card list; Archetype spread: Danger! 18, Kaiju 14, generic 14, others 9
- Inferred: Danger! starter P(>=1 in opening 5) = 0.949; Kaiju summons require an opponent monster, so they are dead going first; Engine conflict and Link access from card text
- Provisional: Meta Power is null; no dated metagame sample; Side-deck and matchup scores are not measurable in Master Duel; Tournament Reliability is an estimate with no tournament data
- Data gaps: No combos supplied: combo floor, median and ceiling are text-only inference No tournament link: archetype meta-share and per-pilot record are absent No win-rate telemetry (going-first/second, matchup, brick, starter or OTK rates) Meta Power is Provisional unless a dated metagame sample is supplied Deck title is null Conflict in source data: usage_statistics marks S:P Little Knight (ref 29301450) as missing, but the card list includes it in the Extra Deck; this evaluation trusts the card list, so core coverage may be 6/6, not 5/6
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