Spell
NormalFlash of the Forbidden Spell
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2390
Activate only when all of your opponent's Monster Card Zones are occupied by monsters. Destroy all monsters on your opponent's side of the field.
Flash of the Forbidden Spell — Power Evaluation
Final Score: 48 ± 8 · Confidence: Medium
- Intrinsic: 50 · Deck: 47 · Meta: provisional
- Primary role: Board breaker
Why it scores here
The card's value is a one-shot mass destruction of every monster on the opponent's side, but its activation requires all five of the opponent's Monster Card Zones to be occupied, which caps how often it is live. No combo, searcher, or guide evidence was supplied, so accessibility and conversion are scored from text and the two-deck sample only. Its ATK and popularity earned nothing; the score rests on the effect-interaction axis, tempered by its conditional activation and thin evidence.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 35 | No searcher or route to add it appears in the evidence, and it sits in only two sampled decks at 1 to 3 copies (text and deck count, inferred). |
| Combo & Conversion | 45 | Destroying every opponent monster is a large board swing when the condition is met, but no combo examples or power index are supplied (inferred from text). |
| Resource Economy | 50 | One card removes several opposing monsters with no recovery, a favourable exchange only when the condition is met (inferred from text). |
| Effect & Interaction | 60 | Strong, hard-to-answer mass removal once live, but gated by the all-five-zones condition and not a negation (verified from card text, tempered by inference). |
| Material Utility | 5 | It is a Spell card and cannot serve as material (verified from card type). |
| Resilience & Flexibility | 30 | A single-use Spell with no evidence of recursion or redundancy, so one spell negation ends it (inferred). |
| Deck-Building Efficiency | 55 | Two decks run it at 1 to 3 copies with no garnet or lock text in the evidence, but its narrow activation makes slot use situational (observed from deck counts, inferred from text). |
Calculation
Weight profile: Board breaker profile, single role (no secondary blend). Intrinsic ≈ 50, Deck ≈ 47, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Destroys every monster the opponent controls in one activation when the condition is met
- Not blanked by monster-based effects that do not also negate Spells
- Cheap in deck terms: low copy count and no garnet or lock restriction in the evidence
Weaknesses
- Activation requires all five of the opponent's Monster Card Zones to be occupied, which is often unmet
- Single-use Spell with no evidenced recursion or card advantage
- Only two sampled decks, and no combo or guide data to show it converts reliably
Counters / choke points
- Keeping fewer than five monsters on the opponent's field, so the activation condition is never met
- Spell negation or other Spell-targeting responses (inferred, no interaction data supplied)
Best use
Conditional board breaker for mid-to-late game against a full monster board. Decks: Exodia (archetype 620) lists. Suggested copies: 1.
Evidence & gaps
- Verified: Activation condition: all of the opponent's Monster Card Zones are occupied by monsters; Effect: destroy all monsters on the opponent's side of the field; Legal in TCG, OCG, MasterDuel, DuelLinks; Sampled decks run it at 1 copy and 3 copies
- Observed: Appears in 2 of 2 sampled decks, both Forbidden-themed or unlabelled; Average 2 copies per deck, max 3
- Inferred: Board breaker is the primary role from the mass-destruction text; Accessibility is low because no searcher or route is in the evidence; Activation condition is restrictive enough to limit live frequency
- Data gaps: No combos supplied, so combo conversion is text-only inference No guides supplied No banlist token; assumed 3 copies (unlimited) No StatisticsCard usage data; inclusion inferred from a 2-deck sample only No searcher or support-card data for accessibility No rulings available for the all-five-zones condition