Search for a command to run...
The Cyberpunk Spoiler was obtainable in Season 28: "Cyberpunk" by reaching level 3.
Supply is widely distributed — no single holder owns enough to register as a hoarder.
Cyberpunk's current MU count is at ~142, which is similar to most other rare items (such as Champion Trumpets or Sled Void), and even lower than some rare items (such as Spyglass which is at ~160), despite Cyberpunk being at uncommon.