Trap
NormalWar Rock Big Blow
Archetype:
War Rock
View:
2900
During the Main Phase, if a face-up "War Rock" monster(s) you control leaves the field by an opponent's card effect: Destroy up to 2 cards your opponent controls. You can only activate 1 "War Rock Big Blow" per turn.
War Rock Big Blow — Power Evaluation
Final Score: 51 ± 8 · Confidence: Medium
- Intrinsic: 50 · Deck: 51 · Meta: provisional
- Primary role: Removal / Negation · Secondary: Board breaker
Why it scores here
War Rock Big Blow is a conditional set trap: it only activates when a face-up War Rock monster you control leaves the field by an opponent's card effect, and then it destroys up to 2 opponent cards, once per turn. Its value is a potential two-for-one that depends on the opponent choosing to remove a War Rock monster, so it scores as soft interaction rather than reliable removal. Its deck presence (9 of 9 sampled decks, mostly one archetype, 1 copy each) confirms it is a real part of the War Rock line, but that frequency does not raise the score; no combo data was supplied, so the score rests on text and deck evidence.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 45 | Live only after a War Rock monster is removed by an opponent's effect, a trigger the controller cannot force; it appears in 9 of 9 sampled decks at about 1.2 copies each, which confirms routine inclusion but not reliable access (verified text; observed deck stats). |
| Combo & Conversion | 25 | No recorded boards exist, so conversion is text-only: destroying up to 2 cards is a real two-for-one, but only after an opponent-triggered event (inferred from text; no combo evidence). |
| Resource Economy | 40 | A successful activation nets roughly +1 card, and it can destroy two cards at once, but it returns nothing when the trigger never happens (verified text; inference). |
| Effect & Interaction | 55 | Destroys up to 2 opponent cards from a set position, which is useful disruption, but the trigger is narrow and conditional on the opponent's own play (verified text; inference on how often the trigger occurs). |
| Material Utility | 10 | A Trap Card with no monster body, so it provides no material, level, or attribute value (verified card type). |
| Resilience & Flexibility | 40 | Set-trap access, a once-per-turn limit, and a dependency on a War Rock monster being on the field leave it exposed to negation and to the opponent avoiding effect removal (inferred from text). |
| Deck-Building Efficiency | 70 | One copy in most decks, no garnet or lock restriction, and no banlist token supplied (assumed unlimited); the only real cost is the War Rock archetype commitment (verified from deck stats and format data). |
Calculation
Weight profile: Primary role Removal / Negation; no secondary weighting applied. Intrinsic ≈ 50, Deck ≈ 51, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Can destroy up to 2 opponent cards in one activation, a two-for-one when it triggers.
- Appears in 9 of 9 sampled decks, showing it is a stable part of the War Rock line.
- Single-copy use with no garnet or lock restriction, so it is cheap to run.
Weaknesses
- Requires a face-up War Rock monster to leave the field by an opponent's card effect, which the controller cannot force.
- Once per turn, and only in the Main Phase, which narrows its timing.
- No monster body, so it contributes nothing as material or as a board presence on its own.
Counters / choke points
- An opponent who never removes War Rock monsters by card effect never triggers it (verified from text).
- Trap negation or disruption of the set trap before its trigger (inferred, generic).
Best use
Removal / Negation. Decks: War Rock. Suggested copies: 1.
Evidence & gaps
- Verified: Card text: destroys up to 2 opponent cards, conditional on a face-up War Rock monster leaving by an opponent's card effect, once per turn in the Main Phase.; Card type is Trap Card, so it has no monster body.; Appears in 9 decks across 3 archetype entries; 7 of them are in the War Rock (619) archetype.
- Observed: Average 1.22 copies per deck; 8 decks run 1 copy and 1 deck runs 3.; Top partners are War Rock monsters that co-occur in 100% of the sampled decks.
- Inferred: The trigger is narrow and depends on the opponent's own play, which limits reliability.; Negation or disruption of the set trap is a plausible route to shut it down.; Frequency reflects a stable archetype slot rather than standalone strength.
- Data gaps: no combos supplied — combo conversion is text-only inference no guides supplied no banlist token — assumed 3 copies (unlimited) no usage statistics (StatisticsCard) — archetype inclusion % inferred from deck sample only