29 cards where the artist name includes “hideaki takamura”

Blizzard Specter (Coldsnap #126)
Eye of the Storm (Ravnica: City of Guilds #48)
Ghost-Lit Stalker (Saviors of Kamigawa #69)
Gift of Granite (Future Sight #7)
Gutwrencher Oni (Champions of Kamigawa #113)
Helium Squirter (Dissension #26)
Knight (Commander 2015 Tokens #4)
Kuon, Ogre Ascendant // Kuon's Essence (Saviors of Kamigawa #78)
Lionheart Maverick (Guildpact #11)
Living Wish (Judge Gift Cards 2008 #5)
Maelstrom Djinn (Future Sight #39)
Naya Panorama (Shards of Alara #227)
Painwracker Oni (Champions of Kamigawa #136)
Pyromancer's Swath (Future Sight #104)
Realm Razer (Shards of Alara #187)
Remand (Friday Night Magic 2008 #1)
Shadow Lance (Guildpact #14)
Shrapnel Blast (Friday Night Magic 2008 #12)
Shred Memory (Ravnica: City of Guilds #105)
Sowing Salt (Betrayers of Kamigawa #118)
Spell Snare (Dissension #33)
Surging Dementia (Coldsnap #72)
Thunderheads (Guildpact #37)
Trench Gorger (Commander 2011 #65)
Tribute to the Wild (Commander 2011 #175)
Venser's Diffusion (Future Sight #47)
Weird // Goblin (GRN Guild Kit Tokens #3)
Weird // Goblin (GRN Guild Kit Tokens #3)
Yomiji, Who Bars the Way (Betrayers of Kamigawa #30)
Yuki-Onna (Saviors of Kamigawa #120)

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