Trap
NormalDimensional Prison
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4921
When an opponent's monster declares an attack: Target that attacking monster; banish that target.
Dimensional Prison — Power Evaluation
Final Score: 64 ± 6 · Confidence: Medium
- Intrinsic: 63 · Deck: 65 · Meta: provisional
- Primary role: Removal / Negation
Why it scores here
Dimensional Prison is a set trap that answers one specific event: an opponent monster declaring an attack, which it banishes. Its power is that reliable, hard-to-avoid removal in the battle step, and banishing (not sending to the GY) denies recursion. The card's high deck count (400 of 400 sampled decks, 61 archetypes, 2.07 copies on average) confirms it is a consistently practical staple, but that frequency was not used to raise the score. It does not build a board, draw cards, or work as material, so it scores modestly on combo conversion and resource economy.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 60 | Live in 400 of 400 sampled decks at about 2 copies each, but it needs to be set and held through the draw, with no searcher evidence (observed, verified). |
| Combo & Conversion | 20 | No combo records; the card only removes one attacking monster and builds nothing on its own (verified text, inferred). |
| Resource Economy | 40 | One card for one monster is roughly card-neutral, and the banish does not refuel the GY (verified text, inferred). |
| Effect & Interaction | 80 | Hits any monster that declares an attack, without needing a specific target type, and banishing it blocks GY recursion; it has no negate or hand-trap reach (verified text, inferred). |
| Material Utility | 10 | A trap card that is never material and has no body value (verified text). |
| Resilience & Flexibility | 45 | Set trap that a negation can stop, and it only acts on the attack step, so it is single-spot and single-turn (inferred; no interaction data in evidence). |
| Deck-Building Efficiency | 70 | Unlimited, no garnet or lock, and 2 copies is a normal slot cost, but it is a slot-heavy trap that is not splashable on its own (observed deck stats, inferred). |
Calculation
Weight profile: Removal / Negation primary; no secondary role blend. Intrinsic ≈ 63, Deck ≈ 65, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Banishes the attacking monster when an opponent declares an attack, so it avoids GY recursion
- Near-universal staple: in 400 of 400 sampled decks across 61 archetypes
- Unlimited copies, no garnet or lock restriction
Weaknesses
- Only answers an attack declaration, so it does nothing against non-attack effects or board setup
- Set trap that must survive the draw and the set turn
- Adds no board, no draw and no material value
Counters / choke points
- Effect negation of the set trap (no specific negate card named in the evidence)
- Opponent not attacking, or attacking with a monster that does not matter (inference)
Best use
Removal / Negation (set trap answering an attack declaration). Decks: Blackwings, Heroic, Frog, Synchron. Suggested copies: 2.
Evidence & gaps
- Verified: Card text: when an opponent's monster declares an attack, target it and banish it; Live in 400 of 400 sampled decks, 2.07 copies on average, 61 distinct archetypes
- Observed: Gameplay distribution: 86% of decks in gameplay type 7, 11.2% in type 6, 2.8% in type 4; Top partners are staples (Mystical Space Typhoon 93.2%, Mirror Force 90.8%), which shows deck fit, not card power
- Inferred: Primary role is Removal / Negation from the text (single attack-step banish); Accessibility is moderate: set trap that must survive the draw, with no searcher evidence; Generic utility is high across 61 archetypes
- Data gaps: No combos supplied; combo conversion and starter/searcher/material shares are text-only inference No banlist token; assumed 3 copies (unlimited) legal copies is empty for all formats, so legality beyond the formats list is unconfirmed No rulings or interaction data for negation or hand-trap matchups Guide mentions are only two snippets; no direct strategy guide for this card