Stardust Bystial Deck #761968 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 28/100 (±8 · Confidence: Low)

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

Legality

Main 40 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 4 violation(s).

Identity & game plan

• Win condition: Synchro Summon Water-attribute boss monsters (Chengying, Baronne de Fleur, Adamancipator Risen - Dragite, White Aura Whale) off a Fish/Ghoti tuner base, after hand traps and monster-effect negations have cleared the way; Stardust Dragon / Accel Synchro Stardust Dragon board pressure and Askaan / Arionpos Ghoti Synchro beats
• Turn 1 (going first): Open a Fish-tuner starter (Shif, Paces, Zep, Snopios, Abyss Shark) and Special Summon a Synchro, holding hand traps (Ash Blossom, Evenly Matched, Maxx C) for the opponent's first interaction. Most legal-list lines hinge on Maxx C and PSY-Framegear Gamma, which are over the copy limit.
• Turn 2 (going second): Use the six-card hand's hand traps (13 copies, about 92 percent to hold at least one) to answer the opponent's first board, then Special Summon Fish monsters and Synchro into a boss. Dimension Shifter and Called by the Grave cannot be legally run in this format.
• Recovery: Banish Fish monsters from the GY for Snopios, Shif, Paces and Zep to re-summon them, then rebuild a Synchro board with Stardust Dragon or Ghoti Synchros.
• After siding: No side deck is registered (side count 0), so there is no post-side plan to evaluate. Legal rebuild required before any side-deck read.

Why it scores here

This list is Illegal in Master Duel: Maxx C (3 copies, limit 1), PSY-Framegear Gamma (2, limit 1), Called by the Grave (2, limit 0) and Dimension Shifter (2, limit 0) break the copy limits, so the score is a theoretical structural read capped low and not a normal Final Contextual score. On the system, the deck's strengths are a dense Fish/Ghoti starter base (about 34 percent to have at least one 3-copy starter in a 5-card opening hand), 13 hand-trap and negation-capable cards that give strong interaction, and a 12-Synchro Extra Deck with several boss options. Its weaknesses are the absence of any recorded boards (no combo ceiling or median can be measured), no side deck, and no tournament or meta data. The score was not raised by averaging card scores, nor by the popularity of the archetype, which only confirms the core cards exist in the format.

Dimension scores

How the score was computed

Strategy profile: Balanced (default; the deck runs a Combo-leaning build but there is no recorded board data to justify a profile). Structural ≈ 56, Going First ≈ 60, Going Second ≈ 58, Meta = provisional, Tournament Reliability ≈ 50. Modifiers: banlist exposure (-6). Final formula: Illegal cap applied: uncapped 0.80*Structural(56) + 0.20*TournamentReliability(50) + banlist modifier(-6) = 48.8, capped to 28 because the list breaks copy limits and runs Forbidden cards; theoretical structural-only read, Meta Power provisional (null)

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.58 · 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 Fish starter base with several Special Summon effects
• 13 hand-trap and negation cards give layered interaction
• 12 Synchro Extra Deck options with several strong boss monsters
• Compact 40-card main with few dead slots in the card-text read

Weaknesses

• Illegal list: four cards break copy or ban limits
• No recorded boards, so ceiling and median are unmeasured
• No side deck registered
• Forbidden cards are in the core engine text

Critical choke points

• Maxx C and PSY-Framegear Gamma (over limit) are needed for part of the interaction
• Fish tuner starters must be live to start any Synchro

Recommended changes

Evidence & confidence

• Verified: Main 40, Extra 15, Side 0 counts are within Master Duel size rules; Four cards over copy limit with banlist status from the export; Card texts and stats for all 40 main and 15 extra cards
• Inferred: Starter access about 0.34 per 3-copy card in a 5-card opening hand; Hand-trap coverage of about 92 percent in a 6-card hand; Interaction density from negation and removal card text; Synchro boss closing power from ATK values and text
• Provisional: Meta Power is null because no dated metagame sample was supplied; Tournament reliability and format fit rest on archetype-level usage only
• Data gaps: no combos supplied, so combo floor, median and ceiling are text-only inference no tournament link, so archetype meta-share and pilot match record are absent no win-rate telemetry (going-first/second, matchup, starter or brick rates) no side deck registered Meta Power is provisional unless a dated metagame sample is supplied