Unknown Synchron

Game: Yu-Gi-Oh!

Series: Legendary Collection 5D's.

Set: Legendary Collection 5D's (#22).

Rarity: Secret rare.

Card Type: Monster

Attribute: DARK

Monster Type: Machine

Stats: ATK 0 / DEF 0

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.