| Set: |
Duelist League Promo |
| Card type: |
Pyro/Effect Monster |
| Rarity: |
Rare |
| Attack: |
2400 |
| Defense: |
1000 |
When this card is Tribute Summoned, discard 1 random card from your opponent's hand. If it was a Monster Card, inflict damage to your opponent equal to its Level x 100.
![Thestalos the Firestorm Monarch (Blue) [DL12-EN007] Rare](http://gamezilla-ca.myshopify.com/cdn/shop/products/58c460ed-51b6-5207-842f-6328bf66fd3d_b361ded7-4bb1-43f7-b4f7-fd841fb7061a_800x.png?v=1625190941)
![Thestalos the Firestorm Monarch (Blue) [DL12-EN007] Rare](http://gamezilla-ca.myshopify.com/cdn/shop/products/58c460ed-51b6-5207-842f-6328bf66fd3d_b361ded7-4bb1-43f7-b4f7-fd841fb7061a_1024x.png?v=1625190941)
