Ambiant-MATE-Dark (actually Ambiant-MATE-Dark-Red) with a custom red/black background i intentionally searched for
https://wallpapersnap.com/wallpapers/full/4/1/6/24859.jpg
(hmm..it looks like the site is constantly changing the URL-path for this picture, anyway you should be good with this link:
Msi Wallpaper on Wallpapersnap
and search for it)
Sadly the Ambiant themes are no longer in the repository but thanks to @lah7, hosting the Ambiant themes including all color variants, we still have the luxuary to be able to install it.
Please visit this link for a bit of background and the commands to add the PPA 