YZ-Tank Dragon [MFC-054] Super Rare
1st Edition - LP
Not Buying
![Unknown Synchron [EXVC-EN002] Common](https://cdn.shopify.com/s/files/1/0836/1931/6002/products/a0680023-35a1-51b1-9fe2-7848f1651276.png?v=1699413484)
Unknown Synchron [EXVC-EN002] Common
| Set: | Extreme Victory |
| Card type: | Tuner Monster |
| Rarity: | Common |
| Attack: | 0 |
| Defense: | 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.