Efficient Construction
Enchantment
Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- standard: banned
- vintage: legal
- pioneer: legal
Rulings
- 2017-02-09:
Efficient Construction’s triggered ability resolves before the spell that caused it to trigger. The ability will resolve even if that spell is countered.