PHNI-EN024 * Carnot the Eternal Machine * Quarter Century Secret Rare * Phantom Nightmare RA03-EN262 Special Summon it to either

Special Summon it to either field

Monsters in your leftmost or rightmost Main Monster Zones cannot be destroyed by card effects

If your "Scareclaw" monster in the Extra Monster Zone attacks a Defense Position monster

you can Normal Summon 1 Warrior monster

- Número: RA04-EN027

PHNI-EN024 * Carnot the Eternal Machine * Quarter Century Secret Rare * Phantom Nightmare RA03-EN262 Special Summon it to eitherCannot 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