Aery and Heal ??
https://i.imgur.com/vPxxJTQ.jpg
Heal sends Aery to an ally, but I don't think it actually shields damage that way. I think it only shields if it is sent with an ability.
I sent in a bug report. ==>
https://i.imgur.com/YCDZ5jl.jpg
So they say that Aery will not even work at all with a summoner spell.