2 cards where the name is exactly “efficient construction”

Set ▲ № Name Cost Type R La Artist USD EUR TIX
AER 33 Efficient Construction {3}{U} Enchantment U EN Jonas De Ro $0.45 €0.31 0.04
CMM 88 Efficient Construction {3}{U} Enchantment U EN Jonas De Ro $0.18 €0.29 0.04

It is the moment of discovery, the triumph of the mind, and the end of these results.