I don't think she will use lucario since we already see it on Kiki and Samson teams. Escavalier yep probably , and empoleon too ( maybe a gift from amaria indeed )
you forgot her excadrill she used on the flore mansion to destroy the house.
Aegilash , excadrill , skarmory for sure cause we already saw them. Next yeah probably metagross and magnezone , last probably scizor.
yeah fire is one of the easiest mono run on reborn , because water and rock gym leaders aren't on the game already ( i mean on battle ) , just ground with terra. So it's clearly an advantage