14 cards where the artist name includes “martin de diego sádaba”

Armored Scrapgorger (Phyrexia: All Will Be One #158)
Blight Titan (March of the Machine Commander #25)
Drannith Ruins (March of the Machine: The Aftermath #50)
Encroaching Mycosynth (Phyrexia: All Will Be One #47)
Geth, Thane of Contracts (Phyrexia: All Will Be One #95)
Locus of Enlightenment // Locus of Enlightenment (The Lost Caverns of Ixalan Art Series #12)
Locus of Enlightenment // Locus of Enlightenment (The Lost Caverns of Ixalan Art Series #12)
Machine God's Effigy (The Brothers' War Commander #16)
Pit of Offerings (The Lost Caverns of Ixalan #278)
Tablet of Compleation (Phyrexia: All Will Be One #245)
Tangled Skyline (March of the Machine #209)
Tekuthal, Inquiry Dominus (Phyrexia: All Will Be One #71)
The Dross Pits (Phyrexia: All Will Be One #251)
The Dross Pits // The Dross Pits (Phyrexia: All Will Be One Art Series #58)
The Dross Pits // The Dross Pits (Phyrexia: All Will Be One Art Series #58)
The Enigma Jewel // Locus of Enlightenment (The Lost Caverns of Ixalan #55)
The Enigma Jewel // Locus of Enlightenment (The Lost Caverns of Ixalan #55)

The message was clear to Sorin—time to search for something else.