| Set: |
Legendary Collection 5D's |
| Card type: |
Tuner Monster |
| Rarity: |
Secret Rare |
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.
![Unknown Synchron [LC5D-EN022] Secret Rare](http://gamezilla-ca.myshopify.com/cdn/shop/products/753c0a9b-1e63-5e9f-bc0a-d6b72d6567c1_21930d4f-20ba-47dc-99f0-bd0f033cc561_800x.png?v=1625189272)
![Unknown Synchron [LC5D-EN022] Secret Rare](http://gamezilla-ca.myshopify.com/cdn/shop/products/753c0a9b-1e63-5e9f-bc0a-d6b72d6567c1_21930d4f-20ba-47dc-99f0-bd0f033cc561_1024x.png?v=1625189272)
