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Carnot the Eternal Machine (Quarter Century Secret Rare) — Phantom Nightmare Yu-Gi-Oh! card
Yu-Gi-Oh! · Quarter Century Secret RareLive pricing

Carnot the Eternal Machine (Quarter Century Secret Rare)

Trending Up+17.1%
Phantom Nightmare, 2024 · #PHNI-EN024
Carnot the Eternal Machine (Quarter Century Secret Rare)'s Near Mint price is up 23.2% ($3.52) over the past 30 days.
9h ago· Updated Nov 2, 2026
Card Details
TypeMonster — MACHINE/EFFECT
P/T3000/2500
Card TextCannot 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 "Cairnnot 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.
inkwell Fair Value™?· NM
$18.68
single source
—
—
Condition?
Confidencemedium
Prices as ofNov 2
Normal—
Cheapest printing—
Set Price Alert

Why This Price

inkwell Estimate
Fair Value$18.68
Movement
7D Change+17.1% (+$2.73)
30D Change+23.2% (+$3.52)
Freshness
Prices as ofNov 2
Update cadenceDaily
Inkwell Fair Value$18.68NM · compare before you buy
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How much is Carnot the Eternal Machine (Quarter Century Secret Rare) worth?
The current Near Mint price for Carnot the Eternal Machine (Quarter Century Secret Rare) from Phantom Nightmare (Yu-Gi-Oh!) is $18.68. It has increased 17.1% over the past 7 days.
What set is Carnot the Eternal Machine (Quarter Century Secret Rare) from?
Carnot the Eternal Machine (Quarter Century Secret Rare) is from the Phantom Nightmare set, released February 2024. It is a Quarter Century Secret Rare in Yu-Gi-Oh!.
What rarity is Carnot the Eternal Machine (Quarter Century Secret Rare)?
Carnot the Eternal Machine (Quarter Century Secret Rare) is a Quarter Century Secret Rare card from Phantom Nightmare in Yu-Gi-Oh!.
How has the price of Carnot the Eternal Machine (Quarter Century Secret Rare) changed over the past 30 days?
Over the past 30 days, the Near Mint price of Carnot the Eternal Machine (Quarter Century Secret Rare) has risen 23.2% ($3.52) to $18.68.