17 cards where the illustration contains “button-mechanical”

Currency Converter (New Capenna Commander #181)
Do-Over (Mystery Booster Playtest Cards 2019 #20)
Key to the City (The Brothers' War Retro Artifacts #90)
Push Your Luck (Unfinity #224b)
Risk Factor (Guilds of Ravnica #113)
Ritual of the Machine (Alliances #59)
Scavenger Hunt (Unfinity #226c)
Scavenger Hunt (Unfinity #226f)
Scavenger Hunt (Unfinity #226a)
Scavenger Hunt (Unfinity #226b)
Scavenger Hunt (Unfinity #226e)
Scavenger Hunt (Unfinity #226d)
Seasoned Buttoneer (Unfinity #58)
Tinker (Urza's Legacy #45)
Trivia Contest (Unfinity #233f)
Truth or Consequences (Doctor Who #768)
Whispering Wizard (Innistrad: Crimson Vow #88)

It is the moment of discovery, the triumph of the mind, and the end of these results.