Disclaimer: Total noob but I do have a few mics and record guitars from time to time. Please disregard if someone knowledgeable shows up.
I have a Cascade Fat head ribbon and it's great for recording guitar amps (loud things) but I find it pretty uninspiring for recording things that aren't loud (as in it sounds fine but nothing special compared to a bog standard dynamic mic e.g. SM57). So that probably fits in with the above - either loud sources or lots of (nice) pre-amp gain. And if it's close to a guitar amp, I'm never gonna hear myself speaking through it unless I put my head right near the speakers
I would also recommend a condenser for the sort of thing you're talking about, capturing guitar and some voice. Looks like the Scarlett has phantom power so you should be good to go (btw don't feed phantom power to any mics that don't need it!!!!).
For condensers I have a rode... something (NT3? It's definitely a small diaphragm condenser) that is currently out on very extended loan to a friend so can't check which one, and a thing that looks like a pipe bomb that drodriguez made.
They do a better job of the 'general purpose' recording but the Fat Head is my go to for mic'ing guitar amps at any decent volume.
I don't have any direct experience with the other mics you're talking about so IDK. But either of those condensers (Rode or Audio Technica) looks like a respectable choice to me for general purpose stuff.