so going over all the pathfinder/3.x/D20 books, and there is very little to none summoning feats. So in an attempt to rectify this heres what i came up with. Any constructive feedback for balancing/requirements/etc is appreciated.
Augmented summoning
-Small Summoning: Summons one size smaller summons
-Tiny Summoning: *reqs Small summoning* Summons two size smaller summons
-Giant Summoning: Summons one size larger summons
-Huge Summoning: *reqs Giant summoning* Summons two sizes larger Summons
-Blazing Summoning: Summons gain fire subtype, +1d6 fire dmg
-Frozen Summoning: Summons gain cold subtype, +1d6 cold dmg
-Nimble Summoning: Summons gain +4 init, +10' speed
-Armored Summoning: Summons gain +4 natural armor
-Greatly Augmented Summoning: +6 str/con +4 dex
-Electrified Summoning: *reqs greatly augmented summoning* +1d6 electricity dmg
-Acidic Summoning: *reqs greatly augmented summoning* +1d6 Acid dmg