YZ-Tank Dragon [MFC-054] Super Rare
1st Edition - LP
Not Buying
![Mask of Weakness [LON-015] Common](https://cdn.shopify.com/s/files/1/0836/1931/6002/products/2724ea5a-923e-579c-80cf-628c6faf2b32_00450ee8-25de-4f6b-80ee-82a40a6cd44e.png?v=1702648246)
Mask of Weakness [LON-015] Common
| Set: | Labyrinth of Nightmare |
| Card type: | Normal Trap |
| Rarity: | Common |
| Attack: | 0 |
| Defense: | 0 |
This card can only be activated in the Battle Phase. Select 1 attacking monster and decrease the selected monster's ATK by 700 points during the turn this card is activated.