Trap
NormalButterspy Protection
Archetype:
Butterspy
View:
2409
Target 1 face-up Attack Position monster on the field; change it to face-up Defense Position, also any damage you take for the rest of this turn is halved.
Butterspy Protection — Power Evaluation
Final Score: 41 ± 8 · Confidence: Medium
- Intrinsic: 40.5 · Deck: 40.6 · Meta: provisional
- Primary role: Utility · Secondary: Removal / Negation
Why it scores here
Butterspy Protection is a normal trap that changes one face-up Attack Position monster to Defense Position and halves damage for the rest of the turn. That is a soft, reversible interaction with no negation or removal, so effect_interaction stays mid-low. Its 7-deck sample, 5 archetypes and co-occurrence with Butterspy support confirm it is played, but high partner co-occurrence and deck count are frequency, not power, and earned no points. With no combo evidence, combo_conversion and resource_economy stay low.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 45 | Normal trap in 7 decks across 5 archetypes, but no searcher or combo-start evidence supplied (observed deck count, inferred accessibility). |
| Combo & Conversion | 25 | Text only does a position swap and damage halving; no combo boards recorded (inferred from text). |
| Resource Economy | 15 | No card advantage, draw, or recursion in the text (verified from card text). |
| Effect & Interaction | 35 | Targets one face-up Attack Position monster and halves damage; no negation or destruction (verified from card text). |
| Material Utility | 5 | A trap card, so it provides no material or level/attribute value (verified from card type). |
| Resilience & Flexibility | 30 | Set backrow card that can be negated and only hits Attack Position monsters (inferred from text). |
| Deck-Building Efficiency | 65 | Normal trap run at about 1.86 copies with no garnet or restriction in the sample (observed deck stat). |
Calculation
Weight profile: Utility default (no dominant role); no role blend applied. Intrinsic ≈ 40.5, Deck ≈ 40.6, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Converts an opposing Attack Position monster to Defense Position with a cheap normal trap
- Halves damage taken for the rest of the turn, which can blunt a single attack
- Played across 5 archetypes in the sample, so it has more than one home
Weaknesses
- No negation or destruction; the monster stays on the field and its effects still work
- Position change is reversible and only affects Attack Position monsters
- No combo or starter evidence, so its conversion value is unproven
- Set trap, so it can be negated by opposing interaction
Counters / choke points
- Opposing trap negation, since the card is a set backrow trap (inferred)
- Opponent plays that do not depend on an Attack Position monster being hit (inferred from text)
Best use
Utility position-change trap in Butterspy-support decks. Decks: Butterspy, Galaxy Photon, Blackwings, Destiny HERO, Silent Swordsman.
Evidence & gaps
- Verified: Card text: target 1 face-up Attack Position monster, change to face-up Defense Position, halve damage taken this turn; Decks evidence: 7 decks, 5 archetypes, average 1.86 copies
- Observed: Co-occurs with Butterspy support cards in 6 of 7 decks (small sample)
- Inferred: Soft interaction only; does not stop effects; Accessibility comes from archetype support, not a recorded searcher route
- Data gaps: no combos supplied, so combo conversion is text-only inference no guides supplied no banlist token, so 3 copies assumed no usage statistics (StatisticsCard), so archetype inclusion is inferred from the 7-deck sample legal copies empty despite listed formats