If Moltres gains a Mega Evolution for its original form or its Galarian Form, it will be the first Legendary of its primary ...

Since you typically gain more candy from hatching a Pokémon rather than catching it, the first Galarian Corsola you catch should set you up pretty well for this evolution. If you want to speed up ...

A number of Galarian Pokémon also have final evolutions that can be achieved ... Galarian Zapdos and Galarian Moltres, which can appear with the use of Daily Adventure Incense.