| Set: |
Mirrodin Besieged Prerelease Promos |
| Type: |
Artifact Creature — Thopter |
| Rarity: |
Rare |
| Cost: |
{6} |
Flying
At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.
![Thopter Assembly [Mirrodin Besieged Prerelease Promos]](http://five6gaming.com/cdn/shop/files/5a42bad3-43ea-5b08-b923-d32b675bb38a_1024x1024.jpg?v=1775641945)
