Swiftwinds do not need a buff they are still the strongest t2 air fighter. Can easily kill janus, notha's, corsairs and large inti swarms as well as can kill asf with right number.
Rambo do not need buff, cybran have aoe stun and area have aoe dmg on them.
Aeon t2 gs is not overpowered.
Mexes are fine, t2 mass fabs do not need a nerf.
Sacrifice is not broken.
T1 bombers are good in t1 stage yes especially for engi snipe but with new engi mechanics lets wait and see if you can dodge easier.
Mercies have always been open to discussion.
Janus, mermaid, mobile stealth, paragon and rasboi's do not need a nerf.