26 cards where the artist name includes “shishizaru”

Arc Blade (Future Sight #94)
Bird (RNA Guild Kit Tokens #1)
Bounteous Kirin (Saviors of Kamigawa #123)
Budoka Pupil // Ichiga, Who Topples Oaks (Betrayers of Kamigawa Promos #122★)
Cackling Flames (Dissension #59)
Conclave's Blessing (Ravnica: City of Guilds #11)
Dovescape (Dissension #143)
Enigma Eidolon (Dissension #24)
Eternal Dominion (Saviors of Kamigawa #36)
Even the Odds (Future Sight #6)
Floating-Dream Zubera (Champions of Kamigawa #61)
Ghost-Lit Redeemer (Saviors of Kamigawa #10)
Glimpse of Nature (Champions of Kamigawa #210)
Jetting Glasskite (Betrayers of Kamigawa #38)
Jugan, the Rising Star (Champions of Kamigawa #217)
Kami of Tattered Shoji (Betrayers of Kamigawa #11)
Kodama of the North Tree (Champions of Kamigawa #222)
Leaden Fists (Future Sight #38)
Nikko-Onna (Saviors of Kamigawa #21)
Quash (Betrayers of Kamigawa #47)
Quiet Purity (Champions of Kamigawa #39)
Razia's Purification (Ravnica: City of Guilds #224)
Sundering Vitae (Ravnica: City of Guilds #185)
Teferi, Time Raveler (War of the Spark #221★)
Three Dreams (Ravnica: City of Guilds #32)
Unblinking Bleb (Future Sight #45)

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