Efficient Construction
Mana cost
Mana value4TypeEnchantment
Color identity
Blue
RarityUncommon
SetCommander Masters (CMM)
ArtistJonas De Ro
Price€0.24 · foil €0.38 · $0.53
Efficient Construction 

Enchantment
Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.
For some of Ghirapur's aerowrights, building thopters is a byproduct of larger construction efforts.
Legality
CommanderLegalStandardNot legalPioneerLegalModernLegalLegacyLegalVintageLegalPauperNot legalBrawlNot legalOathbreakerLegalHistoricNot legalTimelessNot legalPenny DreadfulNot 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.

