Spell
FieldDefense Zone
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For each monster a player controls in their Main Monster Zone, their Spells/Traps in the same column as that monster cannot be destroyed by their opponent's card effects, and their opponent cannot target them with card effects.
Defense Zone — Power Evaluation
Final Score: 42 ± 8 · Confidence: Medium
- Intrinsic: 45.1 · Deck: 40.5 · Meta: provisional
- Primary role: Utility
Why it scores here
Defense Zone converts a monster in the Main Monster Zone into protection for the Spells/Traps in its column, which is a defensive, column-bound effect rather than card advantage or board presence. It does not add a body, draw or search, and it never works in a column with no monster. The score stays low even though the card is in 8 of 8 sampled decks, because that frequency confirms it is played, not that it is strong (guardrail 3). High stats earn nothing here; no combo evidence exists to show it converting into a winning line.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 55 | Present in all 8 sampled decks as a 1-of across 4 archetypes, so it is reachable in ordinary games, but no combo or searcher evidence supports a reliable draw path (observed). |
| Combo & Conversion | 25 | The text only protects existing Spells/Traps and builds nothing, and no combo data exists to show otherwise (verified). |
| Resource Economy | 40 | No draw, search, refuel or card advantage is stated in the text; it is a one-for-zero protective effect (verified). |
| Effect & Interaction | 35 | It blocks opponent card effects against matched-column Spells/Traps but does not negate or remove anything itself (verified). |
| Material Utility | 5 | It is a Spell and cannot be used as material, so the score reflects only the rule that it cannot contribute a body (verified). |
| Resilience & Flexibility | 35 | Its protection depends on a monster staying in the matching column, and its own survival against opponent interaction is not addressed by the text (inferred). |
| Deck-Building Efficiency | 55 | A single copy in each deck with no garnet or lock is cheap to run, but the column condition limits when it works (inferred). |
Calculation
Weight profile: Utility default weights (no clear role). Intrinsic ≈ 45.1, Deck ≈ 40.5, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Protects Spells/Traps in a matched column from opponent card effects and targeting (verified)
- Included in 8 of 8 sampled decks across 4 archetypes at 1 copy each (observed)
Weaknesses
- Protects only Spells/Traps in columns that have a monster; it does nothing otherwise (verified)
- No combo, guide or usage-statistics evidence shows it converting into a winning line (observed)
Counters / choke points
- Removing the monster in the protected column so the column no longer qualifies (inferred)
Best use
Utility protection for Spells/Traps in matched columns. Decks: Vanquish Soul, Mikanko, Secret Six Samurai, Maliss. Suggested copies: 1.
Evidence & gaps
- Verified: Continuous protection: Spells/Traps in the same column as a controlled monster cannot be destroyed by opponent card effects or targeted by them (card text); Spell card with race Field, no ATK/DEF, no material role (card data)
- Observed: Played in 8 of 8 sampled decks, 1 copy each, across Vanquish Soul (4), Mikanko (2), Secret Six Samurai (1), Maliss (1) (deck evidence); Zero recorded combo boards containing the card (combo evidence)
- Inferred: Accessibility is adequate for a generic utility slot but not a dependable draw route (from decks and text); Its protection depends on a monster staying in the matching column (from text)
- Data gaps: no combos supplied, so combo conversion is text-only inference no guides supplied no usage statistics (StatisticsCard) for archetype inclusion beyond the deck sample no top-card ranking context no banlist token; assumed 3 copies (unlimited)