Spell
QuickStar Changer
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3406
Target 1 face-up monster on the field and activate 1 of these effects; ● Increase that target's Level by 1. ● Reduce that target's Level by 1.
Star Changer — Power Evaluation
Final Score: 48 ± 8 · Confidence: Medium
- Intrinsic: 46 · Deck: 49 · Meta: provisional
- Primary role: Utility · Secondary: Combo enabler
Why it scores here
Star Changer is a Quick-Play that changes one face-up monster's Level by 1, so its real value is enabling Level-dependent summons and small tempo swings rather than generating board or card advantage. Its presence in 48 of 48 sampled decks across 24 archetypes confirms it is easy to run and live in many homes, but frequency is not power and that breadth earned only the accessibility and deckbuilding points. No recorded combo boards exist, so the combo conversion score rests on text inference and stays low. As a spell it has no material value at all, which contributes zero to the weighted total.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 58 | Live in 48 of 48 sampled decks across 24 archetypes with an average of 1.5 copies, but it needs a face-up monster target and there is no searcher or combo start data (observed deck count, inferred live-ness). |
| Combo & Conversion | 30 | The text only changes a Level by 1, so conversion depends on Level-dependent partners such as Synchro summons; no combo boards record it converting into a board (inferred). |
| Resource Economy | 25 | It is a 1-for-0 Quick-Play with no draw, search, or recursion in the text, so it produces no card advantage (verified from text). |
| Effect & Interaction | 25 | A Level change can only make a situational disruption to a Synchro or Xyz line and cannot negate or remove anything (inferred from text). |
| Material Utility | 0 | As a Spell Card it can never be used as material, so this axis scores zero (verified from card type). |
| Resilience & Flexibility | 45 | It is a Quick-Play that can be activated in response, but it needs a face-up target and a single effect, so the opponent can deny it cheaply (inferred from text). |
| Deck-Building Efficiency | 78 | It is a cheap, non-garnet spell with an average of 1.5 copies and 28 of 48 decks running a single copy, so the slot cost is low (observed from deck data). |
Calculation
Weight profile: 0.7 Utility (default) + 0.3 Combo enabler. Intrinsic ≈ 46, Deck ≈ 49, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck
Strengths
- Cheap, non-garnet Quick-Play that fits in 48 of 48 sampled decks (observed)
- Works across 24 archetypes, so it is portable between homes (observed)
- Can respond at instant speed to a face-up monster, which keeps it flexible in combat and Synchro timing (inferred)
Weaknesses
- No recorded combo boards, so its real conversion is unproven (data gap)
- Needs a face-up monster target and does nothing without one (verified from text)
- Produces no card advantage and is a 1-for-0 play (verified from text)
- A Spell with no material value, so it cannot help Fusion, Synchro, or Xyz summons directly (verified from card type)
Counters / choke points
- Negating the Quick-Play activation in response, which wastes the card (inferred)
- An opponent board with no face-up monsters, which leaves the card dead (inferred)
Best use
Utility Level-manipulation for Synchro and Level-dependent summons. Decks: Exodia, Resonator, Archfiend, Synchron. Suggested copies: 1.
Evidence & gaps
- Verified: Quick-Play Spell that targets 1 face-up monster and changes its Level by 1 (card text); Appears in 48 of 48 sampled decks across 24 archetypes, average 1.5 copies (deck data); Spell card type, so it cannot be material (card type)
- Observed: Top partners include T.G. Hyper Librarian and Formula Synchron, each in 27 of 48 decks (deck data); 28 of 48 decks run one copy and 4 run three (deck data)
- Inferred: Its useful function is enabling Level-dependent Synchro summons and small tempo swings (text plus partner pattern); The card is generic and cheap rather than a power driver (deck breadth, guardrail 3)
- Data gaps: no combos supplied — combo conversion is text-only inference no guides supplied no banlist token — assumed 3 copies (unlimited) legal copies is empty for all formats no usage statistics (StatisticsCard) — archetype inclusion % inferred from deck sample only no Top-Card ranking data supplied, so popularity context is unavailable