At \usepackage level, xkeyval allows us to insert commas in value of a comma separated list of values: it is enough to enclose in braces the values containing commas. For instance, the following MCE ...
I'm still improving my answer to Need help creating a 3D cube from a 2D set of nodes in TikZ. One of the options should be to emphasize the edges of the cuboid. This would mean e.g. \draw[red, very ...