Unknown Synchron - LC5D-EN022 - Secret Rare - 1st Edition Tweet Out of stock. $0.99 Wishlist Details Passcode: 15310033 Set: Legendary Collection 5D's Mega Pack ATK/DEF: 0/0 Card Number: LC5D-EN022 Monster Type: Machine Rarity: Secret Rare Attribute: Dark Card Text: 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. Level: 1 Card Type: Tuner monster Name: Unknown Synchron Edition: 1st
