Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand or GY) during a Duel in which your opponent has activated a monster effect in their hand or GY. You can only Special Summon "Carnot the Eternal Machine" once per turn. Once per turn, if your opponent activates a monster effect (except during the Damage Step): You can make this card gain 1000 ATK. If this card is sent to the GY, except from the hand or Deck: Shuffle this card into the Deck. Number:PHNI-EN024 Rarity:Ultra Rare Attribute Monster Type/Card Type:LIGHT Machine/Effect Monster Level:10 A / D:3000 / 2500

YU-GI-OH! Carnot The Eternal Machine - PHNI-EN024 - Ultra Rare - 1st Edition