13 cards where the name includes “씨”

Akki Ember-Keeper (Kamigawa: Neon Dynasty #130)
Blacksmith's Skill (Modern Horizons 2 #6)
Chandra's Embercat (Core Set 2020 #129)
Cutthroat Maneuver (Theros #82)
Embercleave (Throne of Eldraine #120)
Ember-Eye Wolf (Shadows over Innistrad #154)
Ember Hauler (Core Set 2020 #137)
Irencrag Feat (Throne of Eldraine #127)
Mila, Crafty Companion // Lukka, Wayward Bonder (Strixhaven: School of Mages #153)
Mila, Crafty Companion // Lukka, Wayward Bonder (Strixhaven: School of Mages #153)
Mr. Orfeo, the Boulder (Streets of New Capenna #204)
Skilled Animator (Core Set 2019 #73)
Splicer's Skill (Modern Horizons #31)
Vineweft (Magic 2015 #207)

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