The creature types and flavour happen to match, this could be a reprint from Ascended Lawmage in RtR, or something similar.

I agree, hexproof is too good, but wizards are still using it. And one thing that makes multicolour flying splashy at uncommon is a good way of breaking stalls such as a good way of getting 3 damage through a turn.

We could do a functional reprint, but a Lawmage is a specifically Azorius thing.

But does it have to be? Even if proper names aren't reused between planes, I think concepts and creature types are; I don't know exactly what a lawmage is, but it seems like something that could evolve separately, and fits the flavour of the Aer. (It seems this is the only card it's mentioned on, though "lawmage" is used elsewhere to describe Azorius)

But certainly, a functional reprint or a similar card (maybe with conditional hexproof) would be equally good.

I like this card, and I like the idea of finding a small handful of reprints for the set. So a vague thumbs up from me.

The way things are going, it looks like our multicolour uncommons will be simpler than our multicolour commons...

"it looks like our multicolour uncommons will be simpler than our multicolour commons..."

Yeah. I think we threw a lot of interesting ideas at common, and that's fine but we probably need a shake up at some point where we move stuff around. Maybe it's not a good idea to stick to five 2CMC creatures: a wider range of mana costs would allow more closer-to-vanilla creatures, and some more aggressive 2-drops could go at uncommon.