Spell
EquipViolet Crystal
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4436
(This card is not treated as a "Crystal" card.) Equip only to a Zombie monster. It gains 300 ATK/DEF.
Violet Crystal — Power Evaluation
Final Score: 32 ± 7 · Confidence: Medium
- Intrinsic: 31 · Deck: 33 · Meta: provisional
- Primary role: Utility
Why it scores here
Violet Crystal is a plain +300 ATK/DEF equip spell restricted to Zombie monsters, with no search, recursion, negation, or material value in its text. Its score comes from being a single, cheap slot that appears in 30 sampled decks (about 1.57 copies each), not from anything it converts into on its own. The Zombie-only restriction and the absence of any combo evidence keep conversion, interaction, and resource economy very low. The deck count confirms the card is played; it does not establish that the card is powerful.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 40 | Equip spell with no searcher or recursion route in the text, but it is live in 30 of 30 sampled decks at about 1.57 copies per deck (observed, deck evidence; no combo starter data). |
| Combo & Conversion | 20 | Text only grants +300 ATK/DEF to one Zombie, so it builds nothing from a cold start and no combo examples exist (verified text; no combo observations). |
| Resource Economy | 15 | A one-for-one spell that returns nothing when it resolves, with no refuel or banish text (verified text). |
| Effect & Interaction | 5 | The card has no negation, removal, or hand-trap effect (verified text). |
| Material Utility | 10 | Equip spells are not material and the text gives no body value, so the card contributes nothing to material plays (verified text). |
| Resilience & Flexibility | 20 | Dead without a Zombie on the field and loses value once the equipped monster leaves (inferred from text). |
| Deck-Building Efficiency | 50 | Single-slot, usually one copy, with no garnet or lock effect, though the Zombie target requirement is a mild restriction (observed deck copies plus verified text). |
Calculation
Weight profile: Utility / no clear role (default weights); no secondary role blended. Intrinsic ≈ 31, Deck ≈ 33, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Cheap single-slot equip that is easy to include in many decks
- Played across 9 archetypes in the sample, so it is not tied to one deck
- Simple, unambiguous text with no timing or rulings risk
Weaknesses
- Zombie-only target restriction makes it dead on boards without a Zombie
- No search, recursion, negation, or material value
- No combo evidence to show it converts into board or card advantage
Counters / choke points
- Monster removal or destruction of the equipped Zombie leaves the card with no value
- Equip-spell removal or negation, if the opponent's deck runs it
Best use
Utility equip; a tech-slot add-on rather than a core engine. Decks: Fairy Tail (observed in 15 of 30 sampled decks), Decks with an established Zombie core (not in evidence). Suggested copies: 1.
Evidence & gaps
- Verified: Text: equip only to a Zombie monster; gains 300 ATK/DEF; Formats: TCG, OCG, MasterDuel, DuelLinks; No search, negation, recursion, or material text in the card description
- Observed: Included in 30 of 30 sampled decks, averaging 1.57 copies (14 decks at 1 copy, 15 at 2, 1 at 3); Fairy Tail is the largest home at 15 of 30 decks (50%); 9 distinct archetypes overall; Co-occurs with Ash Blossom & Joyous Spring, Called by the Grave, Terraforming, and Infinite Impermanence in 21 of 30 decks (70%)
- Inferred: The Zombie-only restriction is the main limit on use; without Zombie targets the card does nothing; Fairy Tail inclusion is not explained by the card text alone, so the deck presence probably rests on Zombie targets that the evidence does not list
- Data gaps: No combos supplied, so combo conversion is text-only inference No guides supplied No banlist token; assumed 3 copies (unlimited) No per-format legal copies data No usage statistics (StatisticsCard); inclusion inferred from the 30-deck sample only Zombie target density in the sampled decks is unknown, and the Fairy Tail link to a Zombie-only equip is not explained by the evidence