![Unknown Synchron [SDSE - SDSE-EN008] Structure Deck: Synchron Extreme](http://larpandgames.com/cdn/shop/files/103914.jpg?v=1753680908)
Unknown Synchron [SDSE - SDSE-EN008]
$0.19
- Number: SDSE-EN008
- Rarity: Common
- Attribute: DARK
- Monster Type: Machine
- Card Type: Tuner/Effect Monster
- Attack: 0
- Defense: 0
- Description: If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand). You can only use this effect of "Unknown Synchron" once per Duel.
