Information from the Ancient Gear Structure Deck.
SR03-JP003 Antique Gearwyvern / Ancient Gear Wyvern
Level 4 Earth Machine-Type Effect Monster
ATK 1700
DEF 1200
You can only use the (1) effect of “Ancient Gear Wyvern” once per turn.
(1) If this card is Normal or Special Summoned: You can add 1 “Ancient Gear” card from your Deck to your hand, except “Ancient Gear Wyvern”, also, you cannot Set cards for the rest of this turn.
(2) If this card attacks, your opponent cannot activate monster effects until the end of the Damage Step.
SR03-JP002 Antique Gearhydrea / Ancient Gear Hydra
Level 7 Earth Machine-Type Effect Monster
ATK 2700
DEF 1700
(1) If this card is Tribute Summoned by Tributing an “Ancient Gear” monster, at the end of the Damage Step, when this card battles an opponent’s monster, but the opponent’s monster was not destroyed by the battle: You can banish that opponent’s monster.
(2) If this card is Tribute Summoned by Tributing a “Gadget” monster, it can attack all monsters your opponent controls once each.
(3) If an “Ancient Gear” monster you control attacks, your opponent cannot activate monster effects or Spell/Trap Cards until the end of the Damage Step.
Reprints:
The Huge Revolution is Over
Gozen Match
Machine Duplication