An Eclectic Collection of Fun and Effective Builds

[Frogreaver]

Flyby wouldn't work here. You're not making attacks, you're belly flopping. No attack action was taken, and therefore your giant owls will proc opportunity attacks as they leave. Perhaps not a huge deal, but worth pointing out.

Flyby isn't mobile.

"Flyby. The owl doesn't provoke opportunity attacks when it flies out of an enemy's reach."