10 cards where the card is tagged “expertise”

Baral and Kari Zev (March of the Machine #218)
Baral's Expertise (Outlaws of Thunder Junction Commander #91)
Coveted Prize (Zendikar Rising #95)
Electrodominance (Ravnica Allegiance #99)
Invoke Calamity (Kamigawa: Neon Dynasty #147)
Kari Zev's Expertise (Aether Revolt #88)
Kellan, the Kid (Outlaws of Thunder Junction #213)
Rishkar's Expertise (The Lost Caverns of Ixalan Commander #254)
Sram's Expertise (Aether Revolt #24)
Yahenni's Expertise (Aether Revolt #75)

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