Singularity Fiend
DARK 1

Singularity Fiend

  • ATK:
  • 0

  • DEF:
  • 0

  • View:
  • 1671




When your opponent Special Summons a monster(s) (except during the Damage Step): You can discard this card and 1 Spell; destroy that monster(s). You can only use this effect of "Singularity Fiend" once per turn.




 
 
AI Power Analysis
Hand trapConfidence: MediumEvaluated Oct 9, 2026
59± 6/ 100
Power Score
Intrinsic 60
Deck 58

Singularity Fiend — Power Evaluation

Final Score: 59 ± 6 · Confidence: Medium

  • Intrinsic: 59.6 · Deck: 58.5 · Meta: provisional
  • Primary role: Hand trap · Secondary: Board breaker

Why it scores here

Singularity Fiend converts a hand (discard itself plus one Spell) into the destruction of the monster or monsters the opponent Special Summons, outside the Damage Step, once per turn. That is a real, flexible answer to summons, and it is the reason the card scores in the 50s. Its high deck count (47 of 47 sampled decks, 21 archetypes) confirms it is live and portable, but that presence is not what earns the points. Its 2-for-1 discard cost, lack of any combo or material value, and dependence on a Spell in hand are what hold the score down.

Axis scores

Axis Score Evidence
Accessibility 62 Hand-activated and present in every sampled deck at about 2 copies on average, but it needs a second Spell in hand to pay its cost (verified text, observed deck stats).
Combo & Conversion 18 No recorded combo boards; the card only removes monsters and builds no board of its own (verified text, no combo evidence, inference).
Resource Economy 25 Costs two cards (itself and a Spell) to destroy one or more monsters, a net card disadvantage on the trade (verified text, inferred).
Effect & Interaction 70 Destroys summoned monsters outside the Damage Step, reaching multi-monster summons, but it is not a negation and can be answered by stopping the summon itself (verified text, inferred).
Material Utility 15 Level 1 DARK Fiend with no material or GY value, and it is discarded from hand, so it never reaches the material pool (verified text, inferred).
Resilience & Flexibility 40 Lives only in hand and is limited to one use per turn per card name, so one answer or hand disruption can remove it (verified text, inferred).
Deck-Building Efficiency 65 No garnet, no ban, and about two copies per deck, but the Spell-in-hand requirement adds a mild restriction (observed deck stats, verified text, inferred).

Calculation

Weight profile: 0.7 Hand trap + 0.3 Board breaker. Intrinsic ≈ 59.6, Deck ≈ 58.5, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck

Strengths

  • Answers Special Summons outright, and can destroy several monsters from one summon event
  • Live in 47 of 47 sampled decks across 21 archetypes, so it is portable across homes
  • No garnet or ban restriction; cheap to run at about two copies

Weaknesses

  • Two-card cost (itself plus a Spell) for one monster destroyed, a net card disadvantage
  • Needs a Spell in hand to activate, which weakens hands without one
  • Cannot be used during the Damage Step
  • Zero combo or material value; the card only exists as an answer

Counters / choke points

  • Responses that negate the summon or the effect before it resolves (inferred, generic interaction)
  • Opponent making the summon during the Damage Step, where the effect cannot be used (verified text)

Best use

Hand trap against Special Summon lines. Decks: Yubel, Phantom Beast (Chimera), Sky Striker, Branded.

Evidence & gaps

  • Verified: Hand activation: discard this card and 1 Spell as cost; Effect: destroy the monster or monsters the opponent Special Summons, except during the Damage Step; Once per turn per card name; Present in 47 of 47 sampled decks, average 2.09 copies, 21 distinct archetypes
  • Observed: Top partners include Forbidden Droplet (48.9%) and Super Polymerization (42.6%); No recorded combos, so combo centrality cannot be measured
  • Inferred: Hand trap role, with board breaker as the secondary role; Net card disadvantage from the two-card cost; Level 1 body has negligible material value once discarded
  • Data gaps: no combos supplied — combo conversion is text-only inference no guides supplied no banlist token — assumed 3 copies (unlimited) no usage statistics (StatisticsCard) — archetype inclusion % inferred from deck sample only











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