Trap
ContinuousCore Blast
Archetype:
Koa'ki Meiru
View:
3517
You can only activate this card's effect while you control a face-up "Koa'ki Meiru" monster. Once per turn, during your Standby Phase, if your opponent controls more monsters than you do, you can destroy a number of cards your opponent controls so that your opponent will control the same number of cards as you control monsters.
Core Blast — Power Evaluation
Final Score: 42 ± 8 · Confidence: Medium
- Intrinsic: 45 · Deck: 40 · Meta: provisional
- Primary role: Removal / Negation · Secondary: Board breaker
Why it scores here
Core Blast converts a Koa'ki Meiru board into one conditional mass-destruction: once per turn in your Standby Phase, if the opponent controls more monsters than you, it destroys their cards until they match your monster count. The score comes from that removal power, which is limited by the archetype lock, the monster-count condition, and the Standby Phase timing. Its ATK/DEF (0) and the archetype's deck presence did not earn points; the 5 of 7 Koa'ki Meiru decks confirm a home, not strength.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 40 | Needs a face-up Koa'ki Meiru monster and a set Continuous Trap, with no searcher evidence and no combo starts recorded (verified text; inferred route analysis) (inferred). |
| Combo & Conversion | 30 | No recorded boards, so conversion is text-only: one removal event that depends on the opponent already having more monsters (verified text; combo data total 0) (verified). |
| Resource Economy | 45 | Destroys several opponent cards for one trap with no refuel or draw; the value depends on how many cards the opponent controls (verified text) (inferred). |
| Effect & Interaction | 60 | Strong, flexible mass removal that is conditional and once per turn, so the opponent gets a turn to respond before it resolves (verified text) (verified). |
| Material Utility | 5 | A Continuous Trap cannot be used as Fusion, Synchro, Xyz, or Link material, so it provides no body value (verified card type) (verified). |
| Resilience & Flexibility | 30 | Sits face-up in the Spell/Trap zone where it can be destroyed, and it needs a live Koa'ki Meiru monster to work; the effect is single-zone and single-turn (verified text) (inferred). |
| Deck-Building Efficiency | 50 | One trap slot and no garnet or lock, but it is dead outside the Koa'ki Meiru archetype and runs 1 to 3 copies (verified text; deck data copies distribution) (observed). |
Calculation
Weight profile: Removal / Negation profile; no secondary blend applied. Intrinsic ≈ 45, Deck ≈ 40, Meta = provisional. Modifiers: Archetype-locked restriction (-3). Final formula: 0.40*Intrinsic + 0.60*Deck (decks present, combos absent, meta unknown)
Strengths
- Mass removal that scales with the opponent's monster count, which can strip several backrow or field cards in one activation.
- Once-per-turn conditional effect that stays live while the Koa'ki Meiru monster is face-up.
- Cheap to run as a single trap, with a stable home in the archetype.
Weaknesses
- Requires a face-up Koa'ki Meiru monster; outside the archetype it is dead.
- Conditional on the opponent controlling more monsters than you, so it does nothing when the board is even or the opponent has fewer monsters.
- Only activates in your Standby Phase, giving the opponent a turn to answer the monster or the Trap.
- No combo evidence, so the card's real board impact is unverified.
Counters / choke points
- Monster removal or destruction of the Koa'ki Meiru monster enabling the effect.
- Backrow removal to destroy the set Trap before it resolves.
- Opponent reducing their monster count below yours before Standby Phase, which turns the effect off.
Best use
Conditional mass removal against an opponent who overextends on monsters. Decks: Koa'ki Meiru. Suggested copies: 1.
Evidence & gaps
- Verified: Card text: activation requires a face-up Koa'ki Meiru monster; once per turn in your Standby Phase; conditional on the opponent controlling more monsters; destroys the opponent's cards to equalize the count.; Card type is Trap Card (Continuous); no ATK/DEF or link rating.; Legal in TCG, OCG, MasterDuel, and DuelLinks.
- Observed: Appears in 7 sampled decks, 5 of them Koa'ki Meiru, with a 1 to 3 copy distribution.; Top partner Diamond Core of Koa'ki Meiru appears in 100% of its decks.
- Inferred: Continuous Trap timing and set-turn restrictions limit how fast the effect can be used.; Accessibility is capped because no searcher or combo route is evidenced.
- 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 % is inferred from the deck sample only no Rulings or Point data for the card