29 cards where the name includes “staff”

Adder-Staff Boggart (Lorwyn #148)
Caduceus, Staff of Hermes (Assassin's Creed #2)
Chimeric Staff (Tenth Edition #313)
Cultist's Staff (Eldritch Moon #194)
Dingus Staff (Weatherlight #149)
Experimental Lab // Staff Room (Duskmourn: House of Horror Commander #33)
Jorn, God of Winter // Kaldring, the Rimestaff (Kaldheim #179)
Jorn, God of Winter // Kaldring, the Rimestaff (Kaldheim #179)
Proteus Staff (Mirrodin #230)
Skyblinder Staff (Gatecrash #238)
Staff of Compleation (Phyrexia: All Will Be One #242)
Staff of Domination (Commander Legends #343)
Staff of Eden, Vault's Key (Assassin's Creed #76)
Staff of Nin (Commander Anthology Volume II #221)
Staff of the Ages (Ice Age #340)
Staff of the Death Magus (Magic 2015 #232)
Staff of the Flame Magus (Magic 2015 #233)
Staff of the Letter Magus (Unstable #159)
Staff of the Mind Magus (Magic 2015 #234)
Staff of the Storyteller (Phyrexia: All Will Be One Commander #10)
Staff of the Sun Magus (Magic 2015 #235)
Staff of the Wild Magus (Magic 2015 #236)
Staff of Titania (The Brothers' War Commander #27)
Staff of Zegon (Masters Edition IV #229)
Sylvok Lifestaff (Scars of Mirrodin #209)
The Blackstaff of Waterdeep (Adventures in the Forgotten Realms #48)
Thornbite Staff (Morningtide #145)
Thunderstaff (Commander Anthology #237)
Twinning Staff (New Capenna Commander #383)
Voyager Staff (Ravnica Remastered #271)

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