Final Cross
Spell Quick

Final Cross

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During your turn, if a Synchro Monster(s) was sent to your GY this turn: Target 1 Synchro Monster you control; it can make a second attack during each Battle Phase this turn, also, if you activated this card by targeting a Synchro Monster with "Warrior", "Synchron", or "Stardust" in its original name, you can make it gain ATK equal to the ATK of 1 Synchro Monster in your GY. You can only activate 1 "Final Cross" per turn.




 
 
AI Power Analysis
ExtenderConfidence: MediumEvaluated Oct 9, 2026
42± 6/ 100
Power Score
Intrinsic 38
Deck 44

Final Cross — Power Evaluation

Final Score: 42 ± 6 · Confidence: Medium

  • Intrinsic: 38 · Deck: 44 · Meta: provisional
  • Primary role: Extender · Secondary: Utility

Why it scores here

Final Cross is a conditional Quick-Play that gives one Synchro monster a second attack in each Battle Phase, and can add ATK from a Synchro in the GY when the target is named Warrior, Synchron or Stardust. It converts a Synchro board into extra damage, but it needs a Synchro already sent to the GY this turn, so it is a narrow, situational extender. The card has no body, no card advantage and no interaction, so its high visibility in the Stardust-leaning sample does not raise the score much. Deck inclusion around Stardust Dragon and other Synchro staples confirms a real role, not a strong standalone one.

Axis scores

Axis Score Evidence
Accessibility 45 Needs a Synchro in the GY this turn, which the sample's Synchro partners suggest is usually met in Stardust builds (observed from 10 decks; inferred for the condition itself).
Combo & Conversion 40 Turns a Synchro already on board into a double attack, with an optional ATK gain; no combo boards recorded (verified from text, combos absent).
Resource Economy 25 A single spell with no draw, search, or recursion; it costs a card for one extra attack (verified from text).
Effect & Interaction 10 No negation, removal, or hand-trap reach (verified from text).
Material Utility 5 Spell card with no body to use as material (verified from text).
Resilience & Flexibility 35 Once per turn, only Synchro targets, and the target stays exposed to a response (verified from text, inferred for the response risk).
Deck-Building Efficiency 60 Typically one copy per deck, no garnet or lock; the Synchro-only condition is a mild restriction (observed avg 1.2 copies from 10 decks).

Calculation

Weight profile: 0.7 Extender + 0.3 Utility. Intrinsic ≈ 38, Deck ≈ 44, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck

Strengths

  • Adds a second Battle Phase attack to a Synchro monster, which is a real damage boost in Synchro lines
  • Optional ATK gain when the target is a Warrior, Synchron or Stardust Synchro
  • Cheap to run, with typically one copy per deck and no garnet

Weaknesses

  • Needs a Synchro already in the GY this turn, so it is dead in many openers
  • Once per turn and Quick-Play, so it does nothing to stop an opponent
  • Gives no card advantage and no body or material value

Counters / choke points

  • Any response to the targeted Synchro monster removes the value of the attack boost
  • Opponent-side negation or monster removal on the Synchro in the Battle Phase

Best use

Battle Phase damage boost on an existing Synchro monster. Decks: Stardust Synchro builds, Synchro-based Speedroid and Stardust lines. Suggested copies: 1.

Evidence & gaps

  • Verified: Quick-Play Spell with a Synchro-in-GY-this-turn condition, once per turn, second attack in each Battle Phase, optional ATK gain by name (card text); Legal in TCG, OCG, MasterDuel and DuelLinks (evidence card block)
  • Observed: Appears in 10 sampled decks, mostly Stardust and Synchro staples, average 1.2 copies (decks_evidence); Top partners are Stardust Dragon at 90% and several Synchro support cards at 70-80% (decks_evidence)
  • Inferred: Synchro-in-GY condition is usually met in the Stardust builds that run it; Card reads as an extender rather than a board breaker because the boost is additive and conditional
  • Data gaps: no combos supplied, so combo conversion is text-only inference no guides supplied no banlist token, assumed 3 copies (unlimited) no usage statistics (StatisticsCard), so archetype inclusion is inferred from the 10-deck sample only two sampled archetypes are unnamed (ids 382 and 92)











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