24 cards where the illustration contains “finger-gun”

Auton Soldier (Doctor Who #36)
Borborygmos (Guildpact #103)
Boros Battleshaper (Dragon's Maze #58)
Braids, Cabal Minion (Odyssey #117)
Chronobot (Mystery Booster Playtest Cards 2019 #105)
Civic Stalwart (Ravnica Allegiance #6)
Confiscate (Urza's Saga #66)
Controvert (Coldsnap #30)
Daru Healer (Onslaught #19)
Deathgrip (Limited Edition Alpha #100)
Deflection (Eighth Edition #74)
Dream Coat (Legends #51)
Erratic Visionary (War of the Spark #48)
Harsh Justice (Portal #18)
Ladies' Knight (Unhinged #15)
Light 'Em Up (Streets of New Capenna #113)
Llanowar Vanguard (Invasion #197)
Murder (Streets of New Capenna #88)
Peri Brown (Doctor Who #26)
Sardian Avenger (The Brothers' War Commander #43)
Skyshroud Elite (Exodus #123)
Steel Golem (Weatherlight #157)
Upriser Renegade (Kamigawa: Neon Dynasty #170)
Zndrsplt's Judgment (Battlebond #43)

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