Yu-Gi-Oh! · Structure Deck: Machine Reactor
Ancient Gear Hydra
French name: Hydre Rouages Ancients
Ancient Gear Hydra (Structure Deck: Machine Reactor SR03-EN002) has a market price of US$0.33 to US$0.47 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Effect Monster
- Level
- 7
- Attribute
- EARTH
- Monster type
- Machine
- Archetype
- Ancient Gear
- ATK
- 2,700
- DEF
- 1,700
Card text
At the end of the Damage Step, when this card that was Tribute Summoned by Tributing an "Ancient Gear" monster battles an opponent's monster, but the opponent's monster was not destroyed by the battle: You can banish that opponent's monster. If this card was Tribute Summoned by Tributing a "Gadget" monster, it can attack all monsters your opponent controls, once each. If an "Ancient Gear" monster you control attacks, your opponent's Spell/Trap Cards and monster effects cannot be activated until the end of the Damage Step.
About this card
Ancient Gear Hydra is card SR03-EN002 in Structure Deck: Machine Reactor, a Yu-Gi-Oh! set released Apr 14, 2017. Rarity: Super Rare. Finishes: Unlimited, 1st Edition. Reference market price on Nov 9, 2026: US$0.33 (Unlimited), US$0.47 (1st Edition). The Unlimited price did not change over the last 30 days. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.
