At this point I prefer greg, it's still very minimal, but lets you download episodes as you need them rather than literally everything ever made.
config
Unclear if XDG is supported...
~/.castgetrc
[revleft]
url=https://revolutionaryleftradio.libsyn.com/rss
spool=/home/kota/podcasts
options
-p - progress bar
-r - resume downloads (breaks if podcast reuses filenames)