Libromancer Firestarter
FIRE 3

Libromancer Firestarter

  • Archetype:
  • Libromancer

  • ATK:
  • 1800

  • DEF:
  • 1800

  • View:
  • 4223




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 cannot be destroyed, or banished, by card effects. Gains 200 ATK/DEF each time your opponent activates a card or effect, while you control this card with ATK less than 3000 in the Monster Zone.




 
 
AI Power Analysis
Boss / End-boardConfidence: MediumEvaluated Oct 9, 2026
50± 6/ 100
Power Score
Intrinsic 49
Deck 52

Libromancer Firestarter — Power Evaluation

Final Score: 50 ± 6 · Confidence: Medium

  • Intrinsic: 48.6 · Deck: 51.7 · Meta: provisional
  • Primary role: Boss / End-board · Secondary: Material body

Why it scores here

Libromancer Firestarter is a Ritual monster whose value depends on the Libromancer engine that summons it, and it is played in nearly every Libromancer sample deck (195 decks, 1.22 copies average), so it is reliably accessible inside that home. Its text gives it a self-protection clause when Ritual Summoned from field monsters and an ATK gain on each opponent activation, which earns resilience and a modest end-board role. It converts into a body rather than card advantage or disruption, and no recorded boards exist to show its real conversion, so the score stays near the middle. Its high ATK and 1800 DEF earn no points.

Axis scores

Axis Score Evidence
Accessibility 62 Played in 195 of 195 sampled decks across four Libromancer archetype IDs, with Libromancer Geek Boy and Libromancer Fire as top partners (verified deck stats; route via Libromancer ritual reveal is inferred from text).
Combo & Conversion 45 No combo boards are recorded for this card, so conversion rests on text alone: it becomes a single Ritual body that grows over time (inferred).
Resource Economy 30 The card generates no card advantage or refuel; it is a one-for-one body whose ATK growth is conditional (verified from text).
Effect & Interaction 30 Provides no negation, removal, or hand-trap reach; its opponent-activation trigger only grows ATK (verified from text).
Material Utility 40 Level 3 Fire Cyberse ritual body with no recorded material usage; usefulness as material is inferred from level and attribute only (inferred).
Resilience & Flexibility 55 Cannot be destroyed or banished by card effects when Ritual Summoned from field monsters, which resists common removal in that line (verified from text; frequency of that line is inferred).
Deck-Building Efficiency 65 Runs at one copy in most decks with no garnet or lock, so it is cheap to include (observed copies distribution; 169 of 195 decks at 1 copy).

Calculation

Weight profile: 0.7 Boss/End-board + 0.3 Material body. Intrinsic ≈ 48.6, Deck ≈ 51.7, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck

Strengths

  • Near-universal inclusion in Libromancer decks at one copy
  • Self-protection against card-effect destruction and banish when Ritual Summoned from field monsters
  • Grows ATK in response to opponent activations

Weaknesses

  • No card advantage, searching, or disruption
  • Value depends on the Libromancer engine and its ritual reveal
  • No recorded combo boards to confirm its conversion

Counters / choke points

  • Generic board-wide removal or banish effects that do not depend on how it was summoned
  • Interruptions that stop the Ritual Summon before it resolves

Best use

Ritual end-board body with resilience. Decks: Libromancer (archetype 855), Libromancer (archetype 2271), Libromancer (archetype 1131), Libromancer (archetype 1183). Suggested copies: 1.

Evidence & gaps

  • Verified: Ritual Summon requires a Libromancer card (card text); Protection from destruction and banish by card effects when Ritual Summoned using field monsters (card text); Gains 200 ATK/DEF per opponent activation while ATK is below 3000 (card text); Appears in 195 sampled decks; 169 at one copy (deck stats)
  • Observed: Top partners Libromancer Geek Boy (97.4%) and Libromancer Fire (96.4%) (deck stats); Usage statistics show 100% inclusion at one copy across 5 archetypes (usage statistics)
  • Inferred: Accessible through the Libromancer ritual-reveal route described in guides (guide text); Level 3 Fire Cyberse ritual body gives some material value (level and attribute only)
  • Data gaps: No combos supplied, so combo conversion is text-only inference No banlist token; assumed 3 copies (unlimited) Material usage and rulings not evidenced











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