Fiendsmith's Agnumday
LIGHT

Fiendsmith's Agnumday

  • Archetype:
  • Fiendsmith

  • ATK:
  • 1800

  • LINK-3
  • View:
  • 6422

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2+ monsters, including a LIGHT Fiend monster Once per turn (Quick Effect): You can target 1 LIGHT non-Link Fiend monster in your GY; Special Summon it, and if you do, equip this card you control to that monster as an Equip Spell with the following effects. ● The equipped monster gains ATK equal to the total Link Rating of Link Monsters equipped to it x 600. ● If the equipped monster attacks a Defense Position monster, inflict piercing battle damage to your opponent.




 
 
AI Power Analysis
ExtenderConfidence: MediumEvaluated Oct 9, 2026
56± 6/ 100
Power Score
Intrinsic 56
Deck 56

Fiendsmith's Agnumday — Power Evaluation

Final Score: 56 ± 6 · Confidence: Medium

  • Intrinsic: 56 · Deck: 56.1 · Meta: provisional
  • Primary role: Extender · Secondary: Recovery/Recursion

Why it scores here

Agnumday's value is one field-only Quick Effect: it revives a LIGHT non-Link Fiend from the GY and equips itself to that monster, giving +1800 ATK (its Link Rating of 3 x 600) and piercing damage. That converts a dead GY body into a live, large attacker, so it scores on conversion and recursion. The 1800 base ATK and the Link body earn no points, and 400/400 deck inclusion and the 99.2 average board power index are not credited to the card, because no combo board tags it as starter, material, or payoff and its combo role is empty for all sampled boards. It has no negation or removal, and it only works after a Link Summon, so it is not a hand card.

Axis scores

Axis Score Evidence
Accessibility 65 Live only after a Link Summon (field-only effect), but partner data shows many Fiendsmith Link routes (Engraver, Lacrima, Requiem, Sequence at 100% co-deck) (observed/inferred).
Combo & Conversion 60 One activation revives a GY LIGHT Fiend and adds +1800 ATK with piercing, a real board step from a single card; the boards it sits in are not attributed to it (verified text, inferred conversion).
Resource Economy 60 Revive from GY is a net +1 body with the Link staying on field as an equip; no card cost beyond the Link Summon itself (verified text, inferred).
Effect & Interaction 10 No negation, removal, or hand-trap reach; the only interaction is piercing damage in battle (verified text).
Material Utility 45 Link Rating 3 is a usable Link material body, but it is a Link and not a generic material across Fusion, Synchro, or Xyz (verified text, inferred).
Resilience & Flexibility 45 Once-per-turn field effect that needs the card face-up; Droll & Lock Bird and Ash Blossom appear as frequent partners, but counter/ruling data is absent (observed, speculation on counters).
Deck-Building Efficiency 65 One copy in the Extra Deck with no garnet, but it needs a LIGHT non-Link Fiend in the GY, which is an archetype-level restriction (verified text, observed copies).

Calculation

Weight profile: 0.7 Extender + 0.3 Recovery/Recursion. Intrinsic ≈ 56, Deck ≈ 56.1, Meta = provisional. Modifiers: Self-locking restriction (-2). Final formula: 0.40*Intrinsic + 0.60*Deck

Strengths

  • Revives a GY LIGHT Fiend and gives it +1800 ATK with piercing in one activation
  • Present in all 400 sampled decks, so access to the card is reliable within this archetype
  • Single-copy Extra Deck slot with no garnet cost

Weaknesses

  • No negation, removal, or hand-trap interaction
  • Needs a Link Summon and a specific LIGHT Fiend in the GY before it does anything
  • Field-only effect, so it is exposed to on-field interruption and the once-per-turn limit

Counters / choke points

  • Droll & Lock Bird and Ash Blossom & Joyous Spring are common partners in these decks, so they indicate the interaction environment; counter timing for this card is not in the evidence

Best use

Extender / revive-to-attacker finisher after a Link Summon. Decks: Fiendsmith. Suggested copies: 1.

Evidence & gaps

  • Verified: Quick Effect, once per turn: target 1 LIGHT non-Link Fiend in your GY, Special Summon it, and equip this card to it; Equipped monster gains ATK equal to total Link Rating of equipped Link Monsters x 600; Piercing battle damage vs Defense Position monsters; Link Rating 3, one copy in all 400 sampled decks
  • Observed: Fiendsmith archetype accounts for 24.5% of sampled decks; 95 distinct archetypes overall; Usage statistics show 100% inclusion in several archetypes at 1 copy; All 16 sampled combos include this card, with no role tags
  • Inferred: Revive-plus-ATK is the card's conversion step (from text); Deck-level access depends on Link Summon routes from partner cards
  • Data gaps: No banlist token; assumed 3 copies (unlimited) The 400-deck sample appears selected by this card (400/400 contain it), so 100% is not a market inclusion rate combo role is empty for all sampled boards, so the 99.2 power index cannot be attributed to this card No counter or ruling data for interactions with this card Top-card context unavailable (not ranked)











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