krakn [1] filed a deletion request for libreoffice-faenza-mod [2]:

It doesn't look like a successor has been created to this.

Unable to find anything upstream after a few minutes of googling either.

[1] https://aur.archlinux.org/account/krakn/ [2] https://aur.archlinux.org/pkgbase/libreoffice-faenza-mod/