TBH, I don't really think this format currently needs any regulations.
Of course, it's not like some decks (<cough>delver<cough>tron<cough>) are not a bit too over-represented for my taste, but it's still what I consider a healthy, self-balancing meta.
A format is like an ecosystem: it might be tempting to intervene to "fix it", but there's a certain risk involved most of the people seem to forget about, when applying to randomly ban one card or another. The same voting for such an intervention, are usually the first one to complain to/about Wizards, when something goes wrong.

Anyway, if we ever got to the point, where a ban would be needed (let's say that explicitly: to balance the significant power of blue mana in the format), I'd rather very carefully consider the outcomes, before naming cards to ban.
After all, some of the Wizards deckbuilders ARE also players, some of them Pauper players. And I wouldn't be surprised if they followed this channel.

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