Yu-Gi-Oh! · Structure Deck: Machine Reactor

Ancient Gear Knight

French name: Chevalier Rouages Ancients

SR03-EN009Common

Ancient Gear Knight (Structure Deck: Machine Reactor SR03-EN009) has a market price of US$0.23 to US$0.34 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$0.34Low US$0.19

1st EditionUS$0.23Low US$0.08

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

Card details

Type: Gemini Monster
Level: 4
Attribute: EARTH
Monster type: Machine
Archetype: Ancient Gear
ATK: 1,800
DEF: 500

Card text

This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is a Normal Monster on the field, you can Normal Summon it to have it become an Effect Monster with this effect. - If this card attacks, your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step.

About this card

Ancient Gear Knight is card SR03-EN009 in Structure Deck: Machine Reactor, a Yu-Gi-Oh! set released Apr 14, 2017. Rarity: Common. Finishes: Unlimited, 1st Edition. Reference market price on Nov 9, 2026: US$0.34 (Unlimited), US$0.23 (1st Edition). Over the last 30 days, the Unlimited price went up 6.3%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.