Bystial/Byssted Deck #773469 — Yu-Gi-Oh! TCG

Deck — Deck Power Evaluation

Final Contextual Deck Power: 38/100 (±8 · Confidence: Low)

• Primary strategy: Midrange
• Secondary strategies: Stun
• Format: tcg

Legality

Main 55 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 4 violation(s).

Identity & game plan

• Win condition: Extra Deck Xyz/Link boss (K9-X Ripper/M, K9-X Werewolf, Caesar Valius, Umbral Horror Masquerade) backed by Vanquish Soul and K9 searchers and recursion; Piercing and direct damage from K9-X Ripper/M and Vanquish Soul damage effects (Snow Devil, Calamity Caesar)
• Turn 1 (going first): Open a Vanquish Soul or K9 starter, search a second engine monster with Dr. Mad Love, Razen or Ripper, then build a Link or Xyz boss; hold Ash Blossom and Droll as protection
• Turn 2 (going second): Use the six-card hand to hold hand traps (Ash Blossom, Ghost Belle, Droll & Lock Bird, Solemn Judgment, Calamity Caesar) and interrupt the opponent's first summon, then convert with Xyz or Link bosses
• Recovery: Recover through searcher effects (Vanquish Soul, Start!, A Case for K9, Reinforcement of the Army) and K9 Quick-Play recursion from the GY
• After siding: Not evaluable: the deck has no Side Deck, so there is no post-side plan (recorded as a weakness)

Why it scores here

The deck is Illegal (three Ash Blossom, three Izuna and three Vanquish Soul Razen against copy limits of 2, 2 and 1), so it does not receive a normal score and the figure above is capped low as a structural-only read. Scored as a system, its strongest parts are interaction density (seven hand traps, nine negation-text cards, Solemn Judgment, Calamity Caesar, Droll) and an Extra Deck of big Xyz and Link bosses with piercing and 3000-ATK ends. Engine consistency is moderate: the three archetype families (Vanquish Soul, K9, Mulcharmy) are only partly coherent, with each starter about 25% likely in an opening five and about 91% chance of at least one searcher, so openings are functional but not reliably linear. No combo boards are recorded, so floor, median and ceiling are text-only inferences. Archetype popularity and the Bystial core stats earned no points, and card scores were not averaged.

Dimension scores

How the score was computed

Strategy profile: Midrange primary; Stun secondary treated as context only. Structural ≈ 56, Going First ≈ 55, Going Second ≈ 66, Meta = provisional, Tournament Reliability ≈ 45. Modifiers: illegal_list_cap (-16); no_side_deck (-2); hard_engine_split (-2); banlist_exposure (-2). Final formula: 0.80*Structural + 0.20*TournamentReliability (Meta provisional) = 0.80*56 + 0.20*45 ≈ 54, then Illegal cap applied: final = 38 (theoretical/structural-only)

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.25 · key two-card combo ≈ — · full-brick estimate ≈ 0.68 (all Inferred)
• Combo output: best PowerIndex —, median —, board-per-starter —
• Turn order: 0 going-first lines vs 0 going-second lines

Strengths

• Dense interaction: seven hand traps, nine negation-text cards and Solemn Judgment
• Large Extra Deck bosses with high ATK and piercing (K9-X Ripper/M, K9-X Werewolf, Caesar Valius)
• Strong searcher density (20 cards) supports reliable access to engines

Weaknesses

• Illegal as listed: copy-limit violations on Ash Blossom, Izuna and Vanquish Soul Razen
• No Side Deck, so no best-of-3 adaptation
• Three archetype families dilute engine coherence (exact archetype purity 0%)
• Core starters are each about 25% likely in an opening five

Critical choke points

• Single-copy Limited cards carry the engine (Vanquish Soul Hollie Sue, S:P Little Knight, A Case for K9, Solemn Judgment)
• Going-first hands without a hand trap have no protection against the opponent's first summon

Recommended changes

Evidence & confidence

• Verified: Legality: three copy-limit violations (Ash Blossom 3/2, Izuna 3/2, Vanquish Soul Razen 3/1); Main Deck 55 and Extra Deck 15 are within size rules; Side Deck 0; Card text and stats for all listed cards
• Observed: Usage: Ash Blossom and Bystial Magnamhut are 100% core in the archetype stats; the deck runs both, while Bystial Druiswurm and S:P Little Knight are missing core
• Inferred: Hypergeometric starter access: 0.25 for a 3-copy starter in a 5-card hand, 0.91 for at least one searcher; Interaction density (seven hand traps, nine negation-text cards); Going-second protection from hand traps; Engine coherence split across three families
• Provisional: Meta position: no dated metagame sample, so Meta Power is null and matchup fit is provisional
• 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 (going-first/second, matchup, game-level, brick/starter/OTK rates) — those signals are Inferred or Unknown Meta Power is Provisional unless a dated metagame sample is supplied deck has no title (deck_name null) no Side Deck cards in the export