2 cards where the name is exactly “efficient construction”

Set № Name Cost Type R La Artist ▲ USD EUR TIX
CMM 88 Efficient Construction {3}{U} Enchantment U EN Jonas De Ro $0.18 €0.25 0.04
AER 33 Efficient Construction {3}{U} Enchantment U EN Jonas De Ro $0.34 €0.31 0.04

Though this query has ended, its relics still slumber in New Argive.