![Impervious Greatwurm (273) [Buy-A-Box Promos]](http://alwaysgames.ca/cdn/shop/files/175210_in_1000x1000_4e84fa0d-dbe3-4145-9332-8193a78698e5.jpg?v=1771534944&width=672)
![Impervious Greatwurm (273) [Buy-A-Box Promos]](http://alwaysgames.ca/cdn/shop/files/175210_in_1000x1000_4e84fa0d-dbe3-4145-9332-8193a78698e5_1024x.jpg?v=1771534944)
Description
| Set: | Buy-A-Box Promos |
| Type: | Creature — Wurm |
| Rarity: | mythic |
| Cost: | {7}{G}{G}{G} |
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Indestructible