Libromancer Doombroker
DARK 6

Libromancer Doombroker

  • Archetype:
  • Libromancer

  • ATK:
  • 2500

  • DEF:
  • 2000

  • View:
  • 1314




You can Ritual Summon this card with a "Libromancer" card. If this card is Ritual Summoned by using a monster(s) on the field, it can attack directly. You can only use each of the following effects of "Libromancer Doombroker" once per turn. During your Main Phase: You can Set 1 "Libromancer" Trap directly from your Deck. When this card inflicts battle damage to your opponent: You can target 1 face-up monster your opponent controls; shuffle it into the Deck.




 
 
AI Power Analysis
Searcher / TutorConfidence: MediumEvaluated Oct 9, 2026
57± 6/ 100
Power Score
Intrinsic 57
Deck 58

Libromancer Doombroker — Power Evaluation

Final Score: 57 ± 6 · Confidence: Medium

  • Intrinsic: 56.8 · Deck: 57.6 · Meta: provisional
  • Primary role: Searcher / Tutor · Secondary: Board breaker

Why it scores here

Doombroker converts its Libromancer engine into a trap set from the Deck (a deck-to-field retrieval, which drives the Searcher primary role) and a 2500-ATK body with a conditional battle-damage shuffle. Its deck presence is near-total (400 of 400 sampled decks, 99.5-100% co-occurrence with Libromancer Geek Boy and Libromancer Fire), which confirms it is reliably accessible and central to the Libromancer line, but that is frequency rather than intrinsic strength (guardrail 3). The 2500 ATK earns no points on its own; the score is held down by the absence of combo data, the once-per-turn gating of both useful effects, and the fact that it is a Ritual monster that is weak as material.

Axis scores

Axis Score Evidence
Accessibility 70 Deck evidence shows it in 400 of 400 sampled decks at 1.36 average copies, with near-total co-occurrence with the Libromancer engine pieces, but no combo starter role or searched-for role data exists to confirm opening-hand liveness (observed for deck presence; inferred for liveness).
Combo & Conversion 55 Text gives a direct attack when Ritual Summoned using field monsters and a set-from-Deck trap, but no recorded boards exist to show what it converts into (inferred).
Resource Economy 55 Setting a Libromancer Trap from the Deck is a net card gain at no hand cost, and the body is a Ritual monster that must be summoned, so the net is partly offset (inferred from text).
Effect & Interaction 50 The only interaction is a once-per-turn shuffle of one face-up opponent monster, conditional on battle damage, so it is soft and attack-dependent (verified from text).
Material Utility 40 A Level 6 DARK Fiend is a usable material level, but as a Ritual body it is awkward for material, and no material role data exists (inferred).
Resilience & Flexibility 45 Both useful effects are once per turn and the battle-damage effect needs a successful attack, so it is fragile to a single negate or a blocker (inferred from text).
Deck-Building Efficiency 50 A 1.36-copy average with a 3-copy maximum suggests a normal slot cost, but the Ritual summon route ties it to Libromancer pieces, which is a mild restriction (observed for copies; inferred for restriction).

Calculation

Weight profile: 0.7 Searcher / Tutor + 0.3 Board breaker. Intrinsic ≈ 56.8, Deck ≈ 57.6, Meta = provisional. Modifiers: Self-locking Ritual restriction (-3). Final formula: 0.40*Intrinsic + 0.60*Deck (decks present, combos absent, meta unknown)

Strengths

  • Present in every sampled deck (400 of 400), co-occurring with the core Libromancer pieces
  • Retrieves a Libromancer Trap from the Deck to the field without spending a hand card
  • Direct attack after a field-based Ritual Summon adds pressure

Weaknesses

  • Both useful effects are once per turn
  • The battle-damage shuffle needs a successful attack
  • Weak as material, and depends on a Libromancer Ritual route to reach the field

Counters / choke points

  • Blockers or monster effects that prevent battle damage shut off the shuffle effect (inferred)
  • Negating the Ritual Summon or the body removes the set-from-Deck effect (inferred)

Best use

Searcher-to-field and attacking Ritual body in Libromancer homes. Decks: Libromancer (archetype 855), Libromancer (archetype 1131), Libromancer (archetype 2271). Suggested copies: 1.

Evidence & gaps

  • Verified: Set 1 Libromancer Trap from Deck during Main Phase, once per turn; Shuffle 1 face-up opponent monster on battle damage, once per turn; Ritual Summon requires a Libromancer card; Level 6 DARK Fiend, ATK 2500, DEF 2000; Present in 400 of 400 sampled decks; 1.36 average copies
  • Observed: Co-occurs with Libromancer Geek Boy in 100% of decks and Libromancer Fire in 99.5%; Inclusion of 100% across 5 StatisticsCard archetypes at 1 copy
  • Inferred: Liveness in opening hand is plausible but unverified without combo data; Weak as material because it is a Ritual monster; Counters: battle-damage prevention or summon negation shut off its effects
  • Data gaps: No combos supplied, so combo conversion, starter/searched/material roles, and power index are text-only inference No banlist token; assumed 3 copies (unlimited) legal copies empty, so per-format legality is unconfirmed The Ritual Summon enabler (which Libromancer card) is not named in the evidence, so the route is unverified Distinct archetype tags (55) span non-Libromancer names, which conflicts with the Libromancer-locked text and was not resolved











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