35 cards where the illustration contains “porcelain-metal-a...”

Alabaster Host Intercessor (March of the Machine #3)
Annex Sentry (Phyrexia: All Will Be One #2)
Apostle of Invasion (Phyrexia: All Will Be One #3)
Atraxa, Grand Unifier (Phyrexia: All Will Be One #196)
Attentive Skywarden (March of the Machine #7)
Bladed Ambassador (Phyrexia: All Will Be One #5)
Charge of the Mites (Phyrexia: All Will Be One #6)
Compleat Devotion (Phyrexia: All Will Be One #7)
Darksteel Splicer (March of the Machine Commander #13)
Duelist of Deep Faith (Phyrexia: All Will Be One #9)
Elesh Norn, Mother of Machines (Phyrexia: All Will Be One #10)
Elesh Norn // The Argent Etchings (March of the Machine #12)
Elesh Norn // The Argent Etchings (March of the Machine #12)
Excise the Imperfect (March of the Machine Commander #14)
Indoctrination Attendant (Phyrexia: All Will Be One #16)
Invasion of Kamigawa // Rooftop Saboteurs (March of the Machine #62)
Invasion of Kamigawa // Rooftop Saboteurs (March of the Machine #62)
Invasion of Shandalar // Leyline Surge (March of the Machine #193)
Invasion of Shandalar // Leyline Surge (March of the Machine #193)
Jawbone Duelist (Phyrexia: All Will Be One #18)
Moira and Teshar (March of the Machine Commander #7)
Mondrak, Glory Dominus (Phyrexia: All Will Be One #23)
Norn's Inquisitor (March of the Machine #381)
Norn's Wellspring (Phyrexia: All Will Be One #24)
Orthodoxy Enforcer (Phyrexia: All Will Be One #25)
Ossification (Phyrexia: All Will Be One #26)
Phyrexian Pegasus (March of the Machine #324)
Phyrexian Vindicator (Phyrexia: All Will Be One #27)
Plated Onslaught (Phyrexia: All Will Be One #29)
Porcelain Zealot (Phyrexia: All Will Be One #30)
Progenitor Exarch (March of the Machine #348)
Slaughter Singer (Phyrexia: All Will Be One #216)
Swooping Lookout (Phyrexia: All Will Be One #35)
Tiller of Flesh (March of the Machine #44)
Unnatural Restoration (Phyrexia: All Will Be One #191)
Veil of Assimilation (Phyrexia: All Will Be One #37)
Vulpine Harvester (March of the Machine Commander #19)
Zealot's Conviction (Phyrexia: All Will Be One #39)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.