Spell
ContinuousYellow Luster Shield
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917
Increase the DEF of all monsters on your side of the field by 300 points.
Yellow Luster Shield — Power Evaluation
Final Score: 32 ± 8 · Confidence: Medium
- Intrinsic: 34 · Deck: 31 · Meta: provisional
- Primary role: Utility
Why it scores here
Yellow Luster Shield is a Continuous Spell whose only effect is +300 DEF to your monsters. It converts nothing into board, cards, or interaction on its own, so the score stays low. It appears in 8 decks across two named archetypes at about 1.25 copies each, which confirms it is a playable niche pick but does not raise its power. Its lack of ATK or stat strength earns nothing; the score reflects the DEF-only effect and the absence of combo evidence.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 40 | Eight decks run it, but no combo or searcher evidence shows how it reaches the hand (observed, inferred). |
| Combo & Conversion | 12 | The card text is a DEF-only buff with no board-building step, and combo data is empty (verified, inferred). |
| Resource Economy | 15 | It is a card spent for a buff with no draw, search, or recursion, so it is a -1 with no return (verified). |
| Effect & Interaction | 10 | The effect gives no negation, removal, or disruption against the opponent (verified). |
| Material Utility | 5 | A Continuous Spell cannot be used as Xyz, Link, or Fusion material, so this axis is near zero (verified). |
| Resilience & Flexibility | 25 | Continuous Spells can be removed by spell/trap interaction and have no redundant copies or secondary zones (inferred). |
| Deck-Building Efficiency | 60 | It is typically run as one copy in a few decks, so the slot cost is low and it is easy to splash (observed). |
Calculation
Weight profile: Utility / no clear role (default), no secondary role blended. Intrinsic ≈ 34, Deck ≈ 31, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Cheap, low-slot-cost card that fits into eight decks at about one copy each
- Clear, unambiguous text with no timing complexity
- Generic buff that works with any DEF-relevant monster body
Weaknesses
- No combo, searcher, or starter evidence, so it does not convert into board presence
- DEF-only effect with no ATK, removal, or negation value
- Pure -1 in card economy with no return
Best use
Utility / defensive DEF buff for DEF-based monsters. Decks: Ninja, Fabled. Suggested copies: 1.
Evidence & gaps
- Verified: Card text: Continuous Spell, +300 DEF to all your monsters; Playable in TCG, OCG, and MasterDuel formats; Eight decks run it, all in the main deck, average 1.25 copies
- Observed: Named archetypes are Ninja (3 decks) and Fabled (1 deck); the other three buckets are unlabelled; Top partners are generic staples, not a specific engine; Average copies per deck is 1.25 with a max of 3
- Inferred: The card has no offensive or board-building value, only a DEF buff; Its role is supportive for DEF-based bodies rather than a deck's core engine; Recent recency (2022 to 2024) suggests a stable niche role rather than a new staple
- Data gaps: No combos supplied, so combo conversion is text-only inference No guides supplied No banlist token; assumed 3 copies (unlimited) No usage statistics (StatisticsCard); archetype inclusion inferred from the 8-deck sample only Five archetype buckets include three unlabelled entries, so the portable-home count is probably 2 named archetypes