No, you absolutely do not need an enameled LeCrueset or Staub Dutch oven to bake a nice hearty loaf...
At my place on Long Island I have a Lodge which I picked up a few years ago for $34 on sale at Target? or Wally World? At my place in Vermont, a black (un-enameled) Lodge was included in the purchase price..
The Jim Lahey no-knead method rocks..
Granted I've home baked for many years prior to this current insanity, where you can't even buy yeast..
So I harvested my own yeast, and adapted..
Sourdough starter:
Put the Dutch oven in your oven and set the heat high 450 or more, let it heat for a good long time...BTW no need to preheat the Lid.
Also I just plop the dough in the screaming hot Dutch oven...
To get that artisan look, get some "Bannetons" proofing bowls... they come with a linen liner, or pull the liner and heavily flour the bowl to get this..
Sourdough Boule cooked in a Lodge Dutch oven.
Without available commercial yeast available, it takes a few days to make bread..Almost therapeutic