Trap
NormalWonder Xyz
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3961
Immediately after this effect resolves, Xyz Summon 1 Xyz Monster using monsters you control as Materials.
Wonder Xyz — Power Evaluation
Final Score: 55 ± 8 · Confidence: Medium
- Intrinsic: 53 · Deck: 57 · Meta: provisional
- Primary role: Extender · Secondary: Starter / Combo enabler
Why it scores here
Wonder Xyz converts monsters the player already controls into an Xyz Monster, so its value is board expansion from an existing field rather than a standalone threat. The evidence shows broad, low-copy inclusion (49 of 49 decks, 1.61 copies on average, 23 archetypes), which confirms it is a practical and portable option but does not by itself raise its power. No combo boards were supplied, so the combo-conversion and starter claims rest on card text and deck placement only. High deck counts were treated as accessibility and deckbuilding evidence, not as proof of strength.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 55 | It is run in all 49 attached decks, mostly D/D/D (30.6%), but the text gives no search or draw route and there are no as_starter or as_searched stats (observed for inclusion; inferred for the access route). |
| Combo & Conversion | 62 | The text converts controlled monsters into one Xyz Monster, a real board gain, but no combo examples or power_index data exist to confirm how far it goes (inferred). |
| Resource Economy | 45 | The text shows no card draw, refuel, or recovery, so it converts materials into a body without a clear card-advantage gain (inferred). |
| Effect & Interaction | 15 | The text contains no negation, removal, or disruption effect (verified from text). |
| Material Utility | 20 | It is a Trap and does not provide a monster body usable as material, so this axis is low (verified from frame type). |
| Resilience & Flexibility | 45 | As a face-down Trap it is exposed to backrow removal and negation, and no redundancy data is supplied (inferred). |
| Deck-Building Efficiency | 70 | It is run at 1 to 3 copies across 23 archetypes, with no garnet or lock cost shown in the evidence (observed). |
Calculation
Weight profile: 0.7 Extender + 0.3 Starter/Combo enabler. Intrinsic ≈ 53, Deck ≈ 57, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Broad inclusion across 23 archetypes (distinct_archetypes 23), so it is portable across homes
- Low copy requirement (avg 1.61) with no garnet cost in the evidence
- Converts controlled monsters into an Xyz Monster, a board-expansion route
Weaknesses
- No interaction, negation, or removal in the text
- No searcher or draw route shown, so accessibility depends on the rest of the deck
- Trap timing and activation cost are not in the evidence, so reliability is uncertain
Counters / choke points
- Backrow removal or negation (inferred for a face-down Trap)
- Opponent interruptions of the Xyz Summon chain (inferred)
Best use
Extender / board expansion from controlled monsters. Decks: D/D/D, Tellarknight, Kashtira, Exosister, Timelord.
Evidence & gaps
- Verified: Card text: Xyz Summon 1 Xyz Monster using monsters you control as Materials, immediately after the effect resolves; Card type is Trap, so it has no monster body and no effect as a monster; Decks: 49 of 49 attached decks run it, avg 1.61 copies, 23 distinct archetypes
- Observed: D/D/D is the largest home at 30.6% of decks; Gameplay type 7 accounts for 89.8% of decks; Frequent partners include Called by the Grave (59.2%) and Harpie's Feather Duster (49%)
- Inferred: It is a board-expansion Extender, since its value depends on having monsters to convert; It is exposed to backrow removal and negation as a face-down Trap; Its access route is set-and-activate with no searcher, so accessibility is moderate
- Data gaps: no combos supplied, so combo conversion is text-only inference no activation condition, cost, or once-per-turn wording in the evidence no banlist token, so 3 copies is assumed no usage statistics (StatisticsCard), so archetype inclusion is inferred from the deck sample only race field reads Normal for a Trap card, which is unusual and was not used for scoring no rulings supplied for Xyz Summon chain timing