Have fun, get a basic start, learn about presets, create something random...
Check the setting you want to randomize.
Basic HSL Black and White Tone Curve Split Toning
Enable Lens Correction
Random Presets Created
See how many random presets were already created with this site...
The following images were edited with Lightroom Presets created by LrPC. As you can see some of outcome is different each time you use LrPC and each time you choose different type of settings to adjust.