53 cards where the illustration contains “cherry-blossom-petal”

Azami, Lady of Scrolls (Secret Lair Drop #1106)
Azusa, Lost but Seeking (Secret Lair Drop #1597)
Blade-Blizzard Kitsune (Kamigawa: Neon Dynasty #5)
Blade-Blizzard Kitsune (Kamigawa: Neon Dynasty #331)
Blossom Prancer (Kamigawa: Neon Dynasty #175)
Callow Jushi // Jaraku the Interloper (Betrayers of Kamigawa #31)
Champions of Minas Tirith (Tales of Middle-earth Commander #94)
Coiling Stalker (Kamigawa: Neon Dynasty #179)
Coiling Stalker (Kamigawa: Neon Dynasty #346)
Dawn of a New Age (The Lord of the Rings: Tales of Middle-earth #5)
Debt to the Kami (Kamigawa: Neon Dynasty #92)
Dismal Backwater (Kamigawa: Neon Dynasty #267)
Eiganjo Exemplar (Kamigawa: Neon Dynasty #10)
Faerie Dragon (Astral Cards #3)
Fang of Shigeki (Kamigawa: Neon Dynasty #183)
Gala Greeters (Streets of New Capenna #456)
Genju of the Spires (Arena League 2005 #6)
Go-Shintai of Boundless Vigor (Kamigawa: Neon Dynasty #187)
Go-Shintai of Hidden Cruelty (Kamigawa: Neon Dynasty #97)
Go-Shintai of Shared Purpose (Kamigawa: Neon Dynasty #14)
Heir of the Ancient Fang (Kamigawa: Neon Dynasty #325)
Inkrise Infiltrator (Kamigawa: Neon Dynasty #341)
Jade Mage (Magic 2012 #181)
Jukai Preserver (Kamigawa: Neon Dynasty #195)
Jungle Hollow (Kamigawa: Neon Dynasty #269)
Junji, the Midnight Sky (Kamigawa: Neon Dynasty #456)
Kami of Transience (Kamigawa: Neon Dynasty #391)
Kappa Cannoneer (Neon Dynasty Commander #14)
Knights of Dol Amroth (The Lord of the Rings: Tales of Middle-earth #59)
Kodama of the West Tree (Kamigawa: Neon Dynasty #199)
Kosei, Penitent Warlord (Neon Dynasty Commander #26)
Last Chance (Secret Lair Drop #405)
Master the Way (Khans of Tarkir #188)
Mukotai Ambusher (Kamigawa: Neon Dynasty #112)
Mukotai Soulripper (Kamigawa: Neon Dynasty #113)
Myojin of Blooming Dawn (Neon Dynasty Commander #31)
Network Terminal (Kamigawa: Neon Dynasty #251)
Obsianus Golem (Limited Edition Alpha #267)
Okiba Salvage (Kamigawa: Neon Dynasty #118)
Peach Garden Oath (Eighth Edition #34)
Plains (Kamigawa: Neon Dynasty #283)
Plains (Kamigawa: Neon Dynasty #293)
Quiet Contemplation (Khans of Tarkir #50)
Regrowth (Strixhaven Mystical Archive #119)
Sanctum Prelate (Secret Lair Drop #278)
Sanctum Weaver (Modern Horizons 2 #462)
Silver-Fur Master (Kamigawa: Neon Dynasty #353)
Springmane Cervin (Strixhaven: School of Mages #144)
Tatsunari, Toad Rider (Kamigawa: Neon Dynasty #461)
The Dragon-Kami Reborn // Dragon-Kami's Egg (Kamigawa: Neon Dynasty #181)
The Dragon-Kami Reborn // Dragon-Kami's Egg (Kamigawa: Neon Dynasty #181)
The Wandering Emperor (Kamigawa: Neon Dynasty #42)
When We Were Young (Kamigawa: Neon Dynasty #43)
Windbrisk Heights (Secret Lair Drop #436)

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