LIGHT
10Carnot the Eternal Machine
ATK:
3000
DEF:
2500
View:
3242
Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand or GY) during a Duel in which your opponent has activated a monster effect in their hand or GY. You can only Special Summon "Carnot the Eternal Machine" once per turn. Once per turn, if your opponent activates a monster effect (except during the Damage Step): You can make this card gain 1000 ATK. If this card is sent to the GY, except from the hand or Deck: Shuffle this card into the Deck.
Carnot the Eternal Machine — Power Evaluation
Final Score: 46 ± 8 · Confidence: Medium
- Intrinsic: 48 · Deck: 50 · Meta: provisional
- Primary role: Utility · Secondary: Recovery/Recursion, Boss/End-board
Why it scores here
Carnot is a Level 10 Machine whose text gives it a once-per-turn +1000 ATK in response to opponent monster effects, plus a shuffle-into-Deck return if it is sent to the GY from the field. Its Special Summon condition, which needs the opponent to have activated a monster effect from hand or GY earlier in the Duel, limits when it can enter play. The 3000 ATK and the Level 10 body earn no points on their own. The score comes from the 400-deck sample showing it is run at about one copy across 45 archetypes, and from the recycle-to-Deck clause, which is the one part of the text that shows real resilience. The rubric gives no credit for combo conversion, card advantage, or interaction because the combo evidence is empty and the text does not provide those effects.
Axis scores
| Axis | Score | Evidence |
|---|---|---|
| Accessibility | 60 | Run as a single copy in all 400 sampled decks across 45 archetypes, but the Special Summon condition is a real gate and no searcher or combo-start data is supplied (observed for the deck spread; inferred for the gate). |
| Combo & Conversion | 30 | Text grants only an ATK boost and a return; no combo examples or power index exist, so board-building value is text-only inference (inferred). |
| Resource Economy | 30 | No draw, search, or banish-for-advantage clause; shuffling into the Deck recycles the card but does not create card advantage (verified from text). |
| Effect & Interaction | 15 | No negation, removal, or disruption clause; the only effect is a self ATK gain (verified from text). |
| Material Utility | 40 | A Level 10 Machine body can be used as material, but its high Level limits the fits, and effect-negated material value is not evidenced (inferred). |
| Resilience & Flexibility | 58 | Returns to the Deck when sent to the GY from the field and can be Special Summoned from the GY, so it can come back across turns (verified from text). |
| Deck-Building Efficiency | 68 | One copy in nearly every deck (avg 1.01), no garnets or locks in the text, and easy to run in a single slot (observed for copies; verified for absence of locks). |
Calculation
Weight profile: Utility / no clear role default (no single role dominates; secondary roles recorded but not blended into weights). Intrinsic ≈ 48, Deck ≈ 50, Meta = provisional. Modifiers: Summon restriction (-3). Final formula: 0.40*Intrinsic + 0.60*Deck (decks present, combos absent, meta unknown), then -3 modifier
Strengths
- Recyclable body: shuffles back into the Deck when sent to the GY from the field.
- Generic deck spread: run in 45 archetypes at about one copy each (observed).
- Clean deckbuilding cost: one copy, no garnets or locks.
Weaknesses
- Special Summon condition depends on the opponent having activated a monster effect earlier in the Duel.
- No negation, removal, draw, or search clause, so the card converts little value on its own.
- No combo evidence to show what it builds from a realistic start.
Counters / choke points
- Opponent avoiding monster-effect activations, which removes the Special Summon trigger and the ATK-gain window (inferred).
Best use
Utility body with recursion. Decks: Cyber Dragon, Cyberdark, Train, Therions. Suggested copies: 1.
Evidence & gaps
- Verified: Card text: Special Summon condition, once-per-turn +1000 ATK, shuffle into Deck when sent to the GY from the field.; Decks evidence: run in 400 of 400 sampled decks at avg 1.01 copies across 45 archetypes.; Usage statistics: Railway (gameplay 4) inclusion 75% at 1 copy.
- Observed: Top partners include Clockwork Knight, Therion King Regulus, and Clockwork Night at 73–75% co-occurrence.; Gameplay distribution is 88.8% gameplay 7, so the sample is concentrated in one format.
- Inferred: Primary role is Utility because the text provides no starter, searcher, or removal clause.; Board-building value is limited by the Special Summon gate and the lack of combo evidence.
- Data gaps: No combos supplied: combo conversion and role corroboration are text-only. No guides supplied. No banlist token; assumed 3 copies (unlimited). No rulings supplied for the Special Summon condition and the Damage Step exception.






