7 cards where the name includes “hush”

Hush (Urza's Saga #266)
Hushbringer (Throne of Eldraine #18)
Hushwing Gryff (Commander 2016 #68)
Hushwood Verge (Duskmourn: House of Horror #261)
Naya Hushblade (Alara Reborn #141)
Vexing Shusher (Double Masters #225)
Voidmage Husher (Time Spiral #92)

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