Archfiend Deck #770642 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 62/100 (±6 · Confidence: Medium)

• Primary strategy: Combo
• Secondary strategies: Midrange, Toolbox
• Format: master-duel

Legality

Main 40 / Extra 15 / Side 0 — status: Legal.

Identity & game plan

• Win condition: Synchro Summon a boss from the 15-card Extra Deck (Tyrant Red Dragon Archfiend, Red Supernova Dragon, Hot Red Dragon Archfiend Bane, Bystial Dis Pater, Storm-Bane Dragon Destorbim) off a Tuner plus non-Tuner board built from Resonator and Archfiend starters.; Red Dragon Archfiend and Scarred Dragon Archfiend pressure, with Bystial and Resonator recursion extending the board after a removal exchange.
• Turn 1 (going first): Open a searcher (Resonator Call, Crimson Gaia, Power Vice Dragon, Mulcharmy Fuwalos) to find a Tuner, then Synchro into a Level 7 to 10 boss; hold Infinite Impermanence or Ash Blossom for the opponent's first starter.
• Turn 2 (going second): Use one of 9 hand traps (Ash Blossom, Infinite Impermanence, Maxx C, Droll and Lock Bird, Dominus Impulse) to break the opponent's starter, then rebuild through Soul Resonator, Bone Archfiend or Fydraulis Harmonia.
• Recovery: Recur Resonator monsters from the GY (Synkron Resonator, Vision Resonator, Crimson Call) and re-Synchro through Red Rising Dragon or Crimson Dragon Quetzalcoatl; Crimson Gaia and Resonator Call refill the hand.
• After siding: No Side Deck is registered, so there is no post-side plan; any adaptation has to happen inside the Main Deck.

Why it scores here

The deck reliably opens a Synchro plan: 16 searcher-text cards and a 0.94 chance of at least one searcher in a 5-card opening hand let it find a Tuner most turns (Inferred, hypergeometric). Its 9 hand traps (about 81 percent chance of one in a 6-card hand when going second) and layered negations give it an unusually strong answer to a first starter, which is the main driver of the interaction and resilience scores. Closing power is high because the Extra Deck carries several 3500 to 4000 ATK bosses with tuner-based recursion, but no combo board data exists, so ceiling and median are estimated from card text only and kept near the middle. Popularity did not earn points: archetype usage data confirms this list is real, not that it is strong, and the score comes from consistency, interaction and boss quality on the system rather than from averaging card scores. The 14.5 percent exact-name purity, the mix of Resonator, Bystial and Archfiend sub-archetypes with conflicting Extra Deck clauses, and the absence of any Side Deck keep the final score in the low 60s.

Dimension scores

How the score was computed

Strategy profile: Combo primary (100 percent); Midrange profile was considered for the hand-trap and recursion-heavy skeleton but the Combo profile's weighting on D1, D3 and D5 fits the Synchro route better.. Structural ≈ 66, Going First ≈ 65, Going Second ≈ 68, Meta = provisional, Tournament Reliability ≈ 62. Modifiers: engine conflicts (-2); no side deck (-1). Final formula: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers (Meta provisional) = 0.80*66.1 + 0.20*62 - 3 = 62.3

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.94 · 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 suite (16 searcher-text cards) makes the Synchro engine reachable on most opening hands
• Nine hand traps and negation text give layered interaction and recovery across turns
• Several 3500 to 4000 ATK Extra Deck bosses with tuner-based recursion
• Legal in Master Duel with restricted cards at legal copy counts

Weaknesses

• Exact-name purity of 14.5 percent: the list mixes Resonator, Bystial and Archfiend routes
• No Side Deck, so no post-side adaptation
• No combo boards or win-rate telemetry, so ceiling and median are text-only inference
• Heavy Extra Deck dependence on Tuners in the Main Deck (12 Tuners)

Critical choke points

• A Tuner must be on the field to Synchro; losing the Tuner to a first starter stalls the boss line
• Many once-per-turn and Extra Deck summon restrictions can conflict when routes from different sub-archetypes are mixed

Recommended changes

Evidence & confidence

• Verified: Legal: 40 Main, 15 Extra, 0 Side within the Master Duel size rules; Restricted copy counts: Bystial Magnamhut 1 of 1 Limited, Maxx C 1 of 1 Limited, Droll and Lock Bird 2 of 2 Semi-Limited; Extra Deck is 15 Synchro monsters; Usage data: The Crimson King 87.5 percent inclusion, absent from this list
• Inferred: Searcher group P(at least one in hand) 0.9354 and hand-trap group P(at least one going second) 0.8082; Engine accessibility, brick risk and interaction quality read from card text; Going-first and going-second power estimates
• Provisional: Median and floor scores, since no combo boards exist; Matchup and format fit, since no tournament link or dated meta sample exists; Post-side adaptability, since no Side Deck exists
• 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 exists in YGOVN for going-first, going-second, matchup, brick or OTK rates Meta Power is provisional without a dated metagame sample Usage data inconsistency: Red Rising Dragon (ref 66141736) is listed as in_this_deck false in core_cards and missing_core, yet the deck contains 2 copies in the Extra Deck Side Deck is empty, so post-side scoring rests on the absence of a plan