Yu-Gi-Oh! · Structure Deck: Machine Re-Volt

Ancient Gear Castle

French name: Château Rouages Ancients

SD10-EN023Common

Ancient Gear Castle (Structure Deck: Machine Re-Volt SD10-EN023) has a market price of US$0.23 to US$0.38 as of Nov 9, 2026.

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Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

UnlimitedUS$0.23Low US$0.18

1st EditionUS$0.38Low US$0.11

As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Spell Card
Attribute: SPELL
Monster type: Continuous
Archetype: Ancient Gear
ATK: 0
DEF: 0

Card text

Each face-up Ancient Gear monster gains 300 ATK. Each time a monster(s) is Normal Summoned or Set, put 1 counter on this card. If you Tribute Summon an Ancient Gear monster, you can substitute this card for a Tribute(s), if the number of counters is equal to or greater than the number of required Tribute(s).

About this card

Ancient Gear Castle is card SD10-EN023 in Structure Deck: Machine Re-Volt, a Yu-Gi-Oh! set released Jan 17, 2007. Rarity: Common. Finishes: Unlimited, 1st Edition. Reference market price on Nov 9, 2026: US$0.23 (Unlimited), US$0.38 (1st Edition). Over the last 30 days, the Unlimited price went down 25.8%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.