YZ-Tank Dragon [MFC-054] Super Rare
1st Edition - LP
Not Buying
![Chthonian Polymer [EEN-EN057] Common](https://cdn.shopify.com/s/files/1/0836/1931/6002/products/84bc4043-19c3-5ff2-a462-c467b614fb7e.png?v=1699413680)
Chthonian Polymer [EEN-EN057] Common
| Set: | Elemental Energy |
| Card type: | Normal Trap |
| Rarity: | Common |
| Attack: | 0 |
| Defense: | 0 |
You can only activate this card when your opponent Fusion Summons a Fusion Monster. Tribute 1 monster on your side of the field to take control of that Fusion Monster.