I dunno if anyone here has kept up with World of Warcraft and it's Legion expansion, but in the beta of it they totally redesigned Demonology Warlocks to summon demons as their main means of damage and I think it is a cool idea and shows you don't need giant oversized beings to look cool. Here is a link to a very detailed overview of the class for anyone that might be interested in looking at it.
https://www.youtube.com/watch?v=J3Z9jLQGqXY
It would be cool if SE borrowed from WoW once more (like it did with the initial Smn class) and change dots into summons that you call to do damage over time on the target. Basically Smn would still be mostly the same but instead having your dots have a physical form via summons. They could then change the Egis into each being a oGCD cooldown that uses their Enkindle spell so that you could use them alongside your dots (which could be the various Carbuncles). It could still fit the lore since instead of summoning as a pet, you summon them for a short duration to deal damage and you expend Aether to summon and what not. This would make us feel like a Summoner, keep things small so it's not a resource hog and keep the idea of Smn being a DoT Caster.