13 cards where (the card is available on Paper) and the artist name includes “rorubei”

Blade-Blizzard Kitsune (Kamigawa: Neon Dynasty #331)
Blade-Blizzard Kitsune // Blade-Blizzard Kitsune (Neon Dynasty Art Series #47)
Blade-Blizzard Kitsune // Blade-Blizzard Kitsune (Neon Dynasty Art Series #47)
Brain Freeze (Secret Lair Drop #410)
Bribery (Secret Lair Drop #411)
Goro-Goro, Disciple of Ryusei (Kamigawa: Neon Dynasty #320)
Higure, the Still Wind (Secret Lair Drop #1267)
Horobi, Death's Wail (Multiverse Legends #14)
Horobi, Death's Wail // Horobi, Death's Wail (March of the Machine Art Series #70)
Horobi, Death's Wail // Horobi, Death's Wail (March of the Machine Art Series #70)
Lord of Atlantis (30th Anniversary History Promos #2)
Monk (MOM Japanese Promo Tokens #1)
Shadow of Doubt (Secret Lair Drop #414)
Snap (Secret Lair Drop #412)
Unmask (Secret Lair Drop #413)

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