24 cards where the card types include “vehicle” and the color identity ≤ BRU and (the card is available on Paper) and the mana value <= 2

Bessie, the Doctor's Roadster (Doctor Who #171)
Clown Car (Unfinity #186)
Consulate Dreadnought (Aether Revolt #146)
Dermotaxi (Modern Horizons 2 #224)
Flywheel Racer (March of the Machine #259)
Funeral Longboat (Kaldheim #238)
Heart of Kiran (Aether Revolt #153)
High-Speed Hoverbike (Kamigawa: Neon Dynasty #247)
Imposter Mech (Neon Dynasty Commander #13)
Invasion of Kaladesh // Aetherwing, Golden-Scale Flagship (March of the Machine #234)
Invasion of Kaladesh // Aetherwing, Golden-Scale Flagship (March of the Machine #234)
Mechtitan Core (Kamigawa: Neon Dynasty #249)
Mobile Homestead (Outlaws of Thunder Junction #245)
Mobilizer Mech (Kamigawa: Neon Dynasty #65)
Mukotai Soulripper (Kamigawa: Neon Dynasty #113)
Reckoner Bankbuster (Kamigawa: Neon Dynasty #255)
Shadowed Caravel (Ixalan #246)
Silent Submersible (War of the Spark #66)
Sky Skiff (Kaladesh #233)
Smuggler's Copter (Neon Dynasty Commander #160)
Subterranean Schooner (The Lost Caverns of Ixalan #80)
TARDIS (Doctor Who #187)
Unlicensed Hearse (Streets of New Capenna #246)
Waterlogged Hulk // Watertight Gondola (The Lost Caverns of Ixalan #83)
Waterlogged Hulk // Watertight Gondola (The Lost Caverns of Ixalan #83)
Weatherlight Compleated (Dominaria United #242)

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