Passcode: 15310033 Set: Extreme Victory ATK/DEF: 0/0 Card Number: EXVC-EN002 Monster Type: Machine Rarity: Common Attribute: Dark Card Text: If your opponent controls a monster and you control no monsters , you can Special Summon this card from your hand. Each player can only use the effect of "Unknown Synchron" once per Duel. Level: 1 Card Type: Tuner Monster Name: Unknown Synchron Edition: 1st