![Day of Black Sun [Avatar: The Last Airbender]](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/4920f8be-e0f8-5db4-b462-977687972736.png?v=1764712304)
Day of Black Sun [Avatar: The Last Airbender]
| Set: | Avatar: The Last Airbender |
| Type: | Sorcery |
| Rarity: | Rare |
| Cost: | XBB |
Each creature with mana value X or less loses all abilities until end of turn. Destroy those creatures.
The solar eclipse robbed Firebenders of their ability to firebend, giving Team Avatar an eight-minute window to storm the capital and defeat the Fire Lord.