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Reference artwork · details may differ from this copy
About This Card

Ancient Gear Castle is a Continuous Spell card featured in the 2007 Structure Deck: Machine Re-Volt, serving as a foundational piece for the Ancient Gear archetype.

Ancient Gear Castle

2007 • Yu-Gi-Oh! • Structure Deck: Machine Re-Volt

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Market Value
Raw/Ungraded Market: $3.81
Updated 5 days ago
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Raw / Ungraded

TCGplayer Market (reference) · Guide Estimate evidence · captured Nov 9, 2026

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Product Overview

Description

Ancient Gear Castle (SD10-EN023) occupies a specific place in the Yu-Gi-Oh! trading card game as a Continuous Spell card released within the Structure Deck: Machine Re-Volt in 2007. This release was part of Konami's strategy to introduce structured formats that allowed players to build decks around specific archetypes without starting from scratch. For collectors, this card represents a tangible piece of the game's evolution during the mid-2000s, a period defined by the rapid expansion of mechanical themes and synergy-based gameplay. As a core component of the Ancient Gear archetype, this card is essential for enthusiasts who focus on completing set collections or preserving the history of the game's most popular monster families. The card's identity is tied directly to its release in the SD10 structure deck, which provided players with a curated selection of monsters and spells designed to work together. Collectors often seek out these structure deck cards to understand the foundational strategies that shaped competitive play during that era. The enduring appeal of Ancient Gear Castle lies in its role as a mechanical anchor. Within the context of the Ancient Gear family, it provides consistent support for players who enjoy building decks around heavy machinery and industrial aesthetics. For those who collect by structure deck, owning this card number is a necessary step toward completing the full set. It stands as a reminder of how Konami designed early synergy mechanics to encourage deck-building creativity. Whether you are a veteran player looking to revisit classic strategies or a new collector interested in the origins of the Ancient Gear series, this card offers a direct connection to the 2007 release. Its presence in the Structure Deck: Machine Re-Volt highlights the importance of spell cards in enabling monster effects, making it a functional and historical artifact for any Yu-Gi-Oh! collection.

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Product Specs

Card Details

The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.

Catalog Profile

The core identity of the card within the set.

Year

2007

Series

Structure Deck: Machine Re-Volt

Card Number

#SD10-EN023

Featured Subject

The subject, team, league, and sport context tied to this card.

Game

Yu-Gi-Oh!

TCG Attributes

Rarity, print treatment, and game-specific stats for this card.

Rarity

Common

Material

Card Stock

Language

English

Monster type

Continuous

Archetype

Ancient Gear

Card Text

Abilities, attacks, oracle text, and flavor text printed on the card.

All "Ancient Gear" monsters gain 300 ATK. Each time a monster is Normal Summoned/Set, place 1 counter on this card. If you Tribute Summon an "Ancient Gear" monster face-up, you can Tribute this card instead, if the number of its counters is equal to or greater than the number of required Tribute(s).

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FAQ

Frequently Asked Questions

What set is Ancient Gear Castle from?

Ancient Gear Castle is from the Structure Deck: Machine Re-Volt, which was released in 2007 as part of the SD10 series. It carries the card code SD10-EN023.

Is Ancient Gear Castle a monster or spell card?

It is a Continuous Spell card, not a monster. It supports the Ancient Gear archetype by providing ongoing effects that help summon or strengthen Machine-type monsters.

What archetype does this card belong to?

The card belongs to the Ancient Gear archetype, a group of Machine-type monsters known for their synergy. This structure deck was designed to help players build competitive decks centered around this family.

Cards Named Ancient Gear Castle

Explore cards with this name across sets and editions. Check each card’s details before choosing a version.