| Set: |
Guilds of Ravnica |
| 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
The ultimate answer to intrigue and subtlety.
![Impervious Greatwurm (Buy-A-Box) [Guilds of Ravnica]](http://cardcastergames.ca/cdn/shop/files/24000f7d-11c1-54f3-932b-f27a673ba589_800x.jpg?v=1753871511)
![Impervious Greatwurm (Buy-A-Box) [Guilds of Ravnica]](http://cardcastergames.ca/cdn/shop/files/24000f7d-11c1-54f3-932b-f27a673ba589_1024x.jpg?v=1753871511)
