Trap
CounterXyz Block
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4143
When your opponent activates a monster effect: Detach 1 Xyz Material from a monster you control; negate the activation, and if you do, destroy that monster.
Xyz Block — Power Evaluation
Final Score: 57 ± 6 · Confidence: Medium
- Intrinsic: 54 · Deck: 59 · Meta: provisional
- Primary role: Removal / Negation
Why it scores here
Xyz Block is a single-purpose negation: it shuts down a monster effect activation and destroys that monster, at the cost of detaching one Xyz Material and losing a monster you control. Its score comes from that interaction value and from its heavy presence in Xyz-based decks (251 decks across 38 archetypes, mostly Gimmick Puppet and Battlin' Boxer), not from any board-building or card-advantage power. The combo sample is thin (8 boards) and records no starter, searched, material or payoff roles, so combo conversion stays modest even though the average power index is 88.4. High usage counts confirm it is a practical, consistently played card, not a stronger one.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 50 | Text gives no searcher or draw route, and it is held as a reactive trap, so it is reliable only when drawn or searched by partners; decks run it at 1.53 copies on average (observed; inferred route). |
| Combo & Conversion | 30 | The card does not build a board itself, and the 8 recorded boards show no starter or payoff role and only 0-3 disruption points in the examples (observed; inferred from text). |
| Resource Economy | 35 | It costs one Xyz Material and a monster you control for one negation, which is roughly even at best with no refuel (verified from text; inferred). |
| Effect & Interaction | 62 | It negates monster effect activations and destroys the monster, which is strong but limited to monster effects and requires a live Xyz monster (verified from text; observed in decks). |
| Material Utility | 5 | It is a Trap Card with no material or level value, so it contributes nothing as a body (verified from text). |
| Resilience & Flexibility | 35 | It is a single negation that ends after one use and depends on an Xyz monster being on the field, with no redundancy beyond the copy count (verified from text; inferred). |
| Deck-Building Efficiency | 70 | It fits into 251 decks at about 1.5 copies with no garnet or lock penalty, and it works across 38 archetypes (observed from decks; verified from text). |
Calculation
Weight profile: Primary role Removal / Negation; no secondary role blended. Intrinsic ≈ 54, Deck ≈ 59, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Hard negation of monster effect activations that also destroys the monster
- Practical in 251 recorded decks across 38 archetypes, with strong fit in Gimmick Puppet and Battlin' Boxer
- Cheap to run at about 1.5 copies with no garnet penalty
Weaknesses
- Only answers monster effects, not spells, traps or non-effect plays
- Needs a live Xyz monster and an Xyz Material to use
- Destroys one of your own monsters as part of the cost, which limits card advantage
- Trap timing needs a reactive window, so it is dead in hands that never get a chance to play it
Counters / choke points
- Non-monster-effect plays such as spells, traps or normal summons
- Opponents that make the Xyz monster unavailable before the activation window
Best use
Negation / interaction for Xyz-based decks. Decks: Gimmick Puppet, Battlin' Boxer, Shark. Suggested copies: 1.
Evidence & gaps
- Verified: Negates a monster effect activation and destroys that monster if it does, at the cost of detaching one Xyz Material from a monster you control; Trap Card type with no ATK, DEF or material value; Runs in 251 decks across 38 archetypes at an average of 1.53 copies
- Observed: Forbidden Droplet, Effect Veiler and Gimmick Puppet support cards co-occur in 27% to 49% of decks; Inclusion in usage statistics is 62.5% to 100% across four archetypes; All 8 recorded combo boards contain the card, with average power index 88.4 and average starter count 0.5
- Inferred: Its reach depends on Xyz monsters and partner searchers, not on a dedicated searcher; Its value comes from negation rather than board building, given the low disruption scores in combo examples
- Data gaps: no banlist token; assumed 3 copies (unlimited) combo sample is small (8 boards) and records no role tags for this card no rulings or timing notes supplied beyond the card text top-card data shows no ranking