Efficient Construction 
Enchantment
For some of Ghirapur's aerowrights, building thopters is a byproduct of larger construction efforts.
Artist:
Jonas De RoShare:
Text:
Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.
Rulings:
- 2/9/2017 Efficient Construction’s triggered ability resolves before the spell that caused it to trigger. The ability will resolve even if that spell is countered.
Legality:
- standard: Not legal
- future: Not legal
- frontier: Legal
- modern: Legal
- legacy: Legal
- pauper: Not legal
- vintage: Legal
- penny: Not legal
- commander: Legal
- 1v1: Legal
- duel: Legal
- brawl: Not legal
- oldschool: Not legal
- historic: Not legal
- pioneer: Legal
- gladiator: Not legal
- premodern: Not legal
- historicbrawl: Not legal
- paupercommander: Not legal
- alchemy: Not legal
- explorer: Not legal
- predh: Not legal
- oathbreaker: Legal
