Kewl Tune Deck #773501 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 68/100 (±6 · Confidence: Medium)

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

Legality

Main 44 / Extra 15 / Side 0 — status: Legal.

Identity & game plan

• Win condition: Synchro Summon a high-ATK Tuner or boss (Kewl Tune B2B 3200, Chaos Angel 3500, Junora 3100, June Pride 3100) from a Tuner-heavy opening and keep the board through hand traps; Elfnote Power Patron / Elfnote Lucina / Tinia / Regina Main Phase searches and Synchro (Seraphim Strelitzia) to overwhelm the board
• Turn 1 (going first): T1 Normal Summon a Tuner, search via Kewl Tune Synchro / Mix / JJ, Synchro Summon a boss, hold Ash Blossom and Ghost Belle for the follow-up
• Turn 2 (going second): Hand-trap the opponent's first engine (Ash Blossom, Ghost Belle, Maxx C, Kewl Tune Clip) and convert into a Synchro boss that Junora or Baronne can protect
• Recovery: Elfnote Regina and Tinia re-summon from hand or GY, Kewl Tune Mix and Track Maker recover Tuners from GY and banishment, Elfnote Rhapsodia restores Elfnote recursion
• After siding: No side deck in Master Duel (side count 0); the plan is fixed and the deck cannot adapt between games

Why it scores here

The deck opens functional plans reliably: the archetype-core group gives P(at least one core card in a 5-card opening) of about 0.93 and searcher text appears in 26 main-deck copies, so a Tuner or Synchro starter is almost always reachable on turn 1 (Inferred). Its real strength is layered interaction and resilience: Ash Blossom, Ghost Belle, Maxx C and Kewl Tune Clip give five hand traps, and the Extra Deck carries negate and removal monsters (Baronne de Fleur, Zalen, Junora, Chaos Angel), so one disruption rarely ends the turn. Conversion is strong at the ceiling (3000 to 3500 ATK bosses with piercing and a second Tuner attack) but the median is unmeasured because no recorded boards exist, so the score rests on text inference rather than observed output. Popularity and the guide's 'strongest meta' claim did not earn points, and the score is not an average of card scores. Missing post-side data, an unknown meta share, and a list that runs only 40% of the archetype core keep the band wide.

Dimension scores

How the score was computed

Strategy profile: Combo. Structural ≈ 71, Going First ≈ 72, Going Second ≈ 66, Meta = provisional, Tournament Reliability ≈ 66. Modifiers: banlist exposure (-2). Final formula: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers (-2); Meta provisional (no dated sample)

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.93 · key two-card combo ≈ — · full-brick estimate ≈ 0.07 (all Inferred)
• Combo output: best PowerIndex —, median —, board-per-starter —
• Turn order: 0 going-first lines vs 0 going-second lines

Strengths

• Synchro starter access is near-certain on turn 1 (about 0.93 Inferred)
• Five hand traps and several negate or removal monsters give layered interaction
• Extra Deck bosses at 3000 to 3500 ATK with piercing or second attack
• Elfnote recursion (Regina, Tinia) supplies a second route after disruption

Weaknesses

• No recorded boards, so ceiling and median are text-only inference
• Five engine cards are Limited or Semi-Limited, so the list is exposed to a banlist change
• Exact-name purity is 18.6%; the list is mostly Elfnote and White Forest, not core Kewl Tune
• Only 40% of archetype-core usage cards are present and some usage flags disagree with the card list

Critical choke points

• Kewl Tune Synchro and Kewl Tune Mix (2 copies each) gate the Tuner-to-Synchro line
• Negate-heavy hands can be stopped by a single unanswered first engine card when the opponent holds two hand traps

Recommended changes

Evidence & confidence

• Verified: Legal: 44 main, 15 extra, 0 side; all restricted cards within their legal copy limits; Card text and stats for all 36 distinct cards from the evidence; Usage statistics: 33 rows, 25 core cards, 10 present (40%)
• Inferred: Starter access ≈ 0.93 and brick proxy ≈ 0.074 from hypergeometric estimates; Interaction layering from negate and removal text roles; Going-first and going-second splits from text and hand-trap probability
• Provisional: Median output and meta position, which lack recorded boards and a dated meta sample; Post-side plan, since Master Duel has no side deck
• 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 absent No win-rate telemetry for going-first, going-second, matchup, brick or OTK rates Meta Power is provisional without a dated metagame sample Usage statistics mark Kewl Tune Track Maker (42781164) and Kewl Tune B2B (65961304) as not in this deck, yet both appear in the Extra Deck card list; the core_present_pct may be wrong Deck title is null and the archetype label is Kewl Tune while the list is mostly Elfnote