Hows about Square Enix just go all the way for the summoner route (as far as phsyik goes) Since they have reworked summoner to be more like its traditional style in past games (summon the monster, let it carpetbomb the area and then immedialy leave)

Just remove Physick, and then add "Summon Moogle King" Simularly to the other summons, moogle will be summoned, appear, use a aoe pom-cure or something, and then dissapear. The summoner gains 3 stacks of "mog-attunement" to use on 3 abilities.
Gemshine turns to Pom-cure 2 (a single target heal)
Preshoius brilliance turns to Moogle-go-round (a small aoe crit buff)
Astral Flow turns to Momento Moogle (an aoe damaging attack)

i may put this idea into more thought and detail later, but I feel like this type of approach will only add to the fun, identity and versatility of the class