This is probably an easy question, but it gave me pause.
We currently have questions on the site relating to both EDH and Commander - which are synonyms for the same Magic format. EDH has been "officially rebranded" as Commander, but it's still fine to call it EDH if you're a traditionalist.
It would be nice to merge these tags together, but neither of them is obviously the wrong tag. Should we go with "Commander" because it's the more up-to-date term?