4 cards where the illustration contains “unnamed-roman-plane”

Licia, Sanguine Tribune (Commander 2017 #40)
Prava of the Steel Legion (Commander Legends #38)
Saskia the Unyielding (Commander 2016 #41)
Saskia the Unyielding (Secret Lair Drop #55)

This search is finished. Now the real work can begin.