This filter allows picking 'random' on some actually playable maps, instead of risking too many rerolls.
I have not added Cantabrian Highlands and Botswana Haven for possibly being too odd, but they look workable.
I have not added India / Sahel / Anatolian Plateau for lacking wood too much.
I had not added 'unknown' for already being quite random, so just pick that if you want it.
I have added Oasis & Pyrennean Sierra since I do believe they are played.
I have not looked at skirmish or scenario maps.