22 cards where the name includes “vigor-”

Amulet of Vigor (Worldwake #121)
Crown of Vigor (Onslaught #253)
Defiler of Vigor (Dominaria United #160)
Demonic Vigor (Dominaria #85)
Font of Vigor (Journey into Nyx #11)
Force of Vigor (Modern Horizons #164)
Go-Shintai of Boundless Vigor (Kamigawa: Neon Dynasty #187)
Horrid Vigor (Duskmourn: House of Horror #184)
Invigorate (Double Masters #172)
Invigorated Rampage (Aether Revolt #86)
Invigorating Boon (Dominaria Remastered #164)
Invigorating Falls (Torment #128)
Invigorating Hot Spring (Kamigawa: Neon Dynasty #223)
Invigorating Surge (Core Set 2021 #190)
Pool of Vigorous Growth (Jumpstart: Historic Horizons #28)
Primal Vigor (Commander 2013 #162)
Vigor (Battlebond #215)
Vigor Mortis (Duel Decks: Izzet vs. Golgari #74)
Vigorous Charge (Invasion #222)
Vigorous Farming (Alchemy: Bloomburrow #19)
Vigorspore Wurm (Guilds of Ravnica #147)
Wrap in Vigor (Conspiracy #183)

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