Spell
EquipDark Energy
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4630
Increase the ATK and DEF of a Fiend-Type monster equipped with this card by 300 points.
Dark Energy — Power Evaluation
Final Score: 36 ± 5 · Confidence: Medium
- Intrinsic: 35 · Deck: 36 · Meta: provisional
- Primary role: Utility
Why it scores here
Dark Energy is a plain Equip Spell that grants +300 ATK/DEF to a Fiend-Type monster and does nothing else in the text. Its 14-deck footprint across six archetypes (mostly Greed, Monarch, Dark World, Archfiend) shows it is a consistently included utility slot, but the deck sample shows inclusion, not impact, and no combo or guide evidence shows it converting into board or card advantage. High deckbuilding cost-efficiency is the main thing earning points; the +300 stat boost itself earns almost nothing, and the card's raw ATK/DEF bonus is not treated as power.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 35 | Live only when a Fiend-Type monster is on the field, with no searcher or recursion route in the evidence; 14 decks run it at an average of 1.57 copies (observed, plus text-based inference). |
| Combo & Conversion | 20 | Text grants only a +300 ATK/DEF stat boost to one Fiend; no combo appearances were recorded, so no board conversion is shown (inferred from text). |
| Resource Economy | 10 | A one-for-one Spell with no draw, search, or recovery; it is a net -1 card with no return (verified from text). |
| Effect & Interaction | 5 | No negation, removal, or hand-trap effect (verified from text). |
| Material Utility | 10 | Equip Spells are not Material and do not provide a Level, Attribute, or Name (verified from text). |
| Resilience & Flexibility | 25 | Single-zone Equip with no recursion or redundancy; it is lost as soon as the equipped monster leaves the field (inferred from text). |
| Deck-Building Efficiency | 70 | A cheap, single-copy-friendly Spell with no garnet or lock restriction, though it is limited to Fiend-Type hosts (observed from decks plus text). |
Calculation
Weight profile: Utility / no clear role default (no secondary role). Intrinsic ≈ 35, Deck ≈ 36, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Cheap, low-cost utility slot that fits many Fiend-based decks
- Consistently included across six archetypes in the 14-deck sample
- No garnet or lock restriction to deckbuilding
Weaknesses
- Only +300 ATK/DEF on a single Fiend-Type; no effect beyond the stat boost
- Dead when no Fiend-Type monster is on the field
- No recursion, search, or card advantage
Counters / choke points
- Removal of the equipped monster or the Spell itself (inferred from text, generic)
Best use
Utility. Decks: Fiend-Type-heavy decks such as Greed, Monarch, Dark World, and Archfiend (observed). Suggested copies: 1.
Evidence & gaps
- Verified: Equip Spell granting +300 ATK and DEF to a Fiend-Type monster it is equipped to (card text); Formats: TCG, OCG, MasterDuel, DuelLinks (card data)
- Observed: Present in 14 of 14 sampled decks, average 1.57 copies, distinct archetypes 6 (deck data); Appears alongside Puppet Magic of Dark Ruler and Fires of Doomsday in 9 of 14 decks (deck data)
- Inferred: Little to no practical role beyond a Fiend stat boost, since no combo or guide evidence exists; Frequency reflects generic Fiend-deck inclusion rather than intrinsic strength (guardrail 3)
- 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