Efficient Construction | 33 | Aether Revolt

Set: Aether Revolt
Rarity: U
#: 33
Creature Type or Sub Type: Enchantment
Rules Text Contains: Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.
Flavor: For some of Ghirapur's aerowrights, building thopters is a byproduct of larger construction efforts.