This set will not have flying. With flying gone, where does green's flier hate go? I figured the options were either to keep evasive hate, and go to menace, or draw from the anti-blue aspect of flier hate. I leaned towards the anti-blue aspect, and reasoned hexproof hate would be what flier hate would have to be for this set. Bonds of Mortality and arguable Archetype of Endurance suggest that if a color were to do this, that color would be green.

Gosh. So I'd object slightly that this card doesn't require you to have a creature in play to use it. And flat-out says 'destroy'. It would be much more reasonable if it was something like "Fight target creature with hexproof".

On to the main thrust - they seem to have been mostly careful to avoid the old "Can / Cannot / Really Can" dance with hexproof to date. Doing so occasionally seems like it would be OK, but this pushes it right to common and thus changes how hexproof must be viewed in the environment. Seems like a big change.

Anti-flying is not anti-blue, it's anti-mechanic-everyone-but-green-has.

It's weird that you end up choosing a keyword ability green has access to. Green used to have Hurricane-style effects because it had a natural immunity to it, plus it served as a companion solution to flying threats next to reach.

Hexproof on the other hand is a green tool, not something green is usually concerned about. I feel Hornet Sting was better thought-out and color pie appropriate at least threatening small utility creatures that avoided combat, contrasting with green's big size and creature-based solutions.

If you made this a fight spell as has been suggested, it would be in-pie, so I'm all for it. But even then you really wouldn't have found an appropriate Aerial Predation replacement, because you didn't search for a characteristic that is like flying: Distinctly nongreen, but also something green wants to deal with in a match-up in this environment.

Speaking of that card... wouldn't the correct approach in this set be "Destroy target aerial creature"?

I did feel weird about hating hexproof, since green feels like the secondary color for hexproof.

I didn't think about green being able to hate fliers out of other colors. Since this already is already doing something very uncommon or outright abnormal, if fighting feels closer, then I will change it.

Destroy target aerial creature in green would be even more of a color pie break than Beast Within.