Unknown Synchron | LED8-EN049

Set: Legendary Duelists: Synchro Storm
Number: LED8-EN049
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 Special Summon "Unknown Synchron" once per Duel this way.