22 cards where the artist name includes “peter polach”

Bhaal, Lord of Murder (Commander Legends: Battle for Baldur's Gate #268)
Case of the Gorgon's Kiss (Murders at Karlov Manor #79)
Case of the Shattered Pact (Murders at Karlov Manor #1)
Copycrook (Modern Horizons 3 #55)
Court of Embereth (Wilds of Eldraine Commander #24)
Curious Cadaver (Murders at Karlov Manor #194)
Deadly Plot (Foundations #520)
Disciples of Gix (The Brothers' War #90)
Eldritch Pact (Commander Legends: Battle for Baldur's Gate #126)
Extract a Confession (Murders at Karlov Manor #84)
Extract a Confession // Extract a Confession (Murders at Karlov Manor Art Series #7)
Extract a Confession // Extract a Confession (Murders at Karlov Manor Art Series #7)
Ghastly Death Tyrant (Commander Legends: Battle for Baldur's Gate #127)
Ghastly Death Tyrant // Ghastly Death Tyrant (Battle for Baldur's Gate Art Series #11)
Ghastly Death Tyrant // Ghastly Death Tyrant (Battle for Baldur's Gate Art Series #11)
Gixian Infiltrator (The Brothers' War #98)
Patient Zero (Alchemy: Innistrad #29)
Piece It Together (Alchemy: The Brothers' War #5)
Predatory Sludge (Alchemy: Innistrad #30)
Pyrotechnic Performer (Murders at Karlov Manor #140)
Sink into Stupor // Soporific Springs (Modern Horizons 3 #241)
Sink into Stupor // Soporific Springs (Modern Horizons 3 #241)
Spirit (Kamigawa: Neon Dynasty Tokens #12)
Storyteller Pixie (Wilds of Eldraine #313)
Vat of Rebirth (Phyrexia: All Will Be One #113)

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