Own theme for Wikipedia

There is a download available for all pages in the article namespace of the English language wikipedia which is located at:

http://dumps.wikimedia.org/enwiki/latest/enwiki-latest-all-titles-in-ns0.gz

However they do not generate this kind of list for every language, so you need to create it yourself from the all content dump. See the full list of all available dumps (just change the en-part of the URL to the language you want to see).

If you go to the page for the Infobox Template, the "What links here" link in the toolbox will tell you all of the pages that use that template. In this case...

http://en.wikipedia.org/wiki/Special:WhatLinksHere/Template:Infobox_martial_artist