Train, Release, Store in PC

[FeraligatrMaster]

Going by the Mega Evolutions, I'd train Mega Pinsir, store Mega Charizard Y, and release Mega Salamence.

Skuntank, Drapion, and Toxicroak

 

[WizardOfOdd]

Train Toxicroak
Store Drapion
Release Skuntank

Honestly, it's a hard choice between Toxicroak and Drapion since both of them is high above my favourite pokemon list.

Greninja, Swampert, Primarina

 

[FeraligatrMaster]

Train Greninja, store Swampert, and release Primarina.

Beautifly, Masquerain, and Ninjask

 

[Sorviknight]

Train Ninjask, store Beautifly, release Masquerain.

Armaldo, Aurorus, Carracosta.

 

[TheAlmightyBlaziken]

Train Carracosta,Store Armaldo, and release Aurorus.


Jolteon,Leafeon,Sylveon.

 

[CF1994]

Train Sylveon, store Jolteon, release Leafeon.

Zorua, Deino, Sandile.

 

[Sorviknight]

Train Deino, store Sandile, release Zorua.

Meowth, Alolan Meowth, Purrloin

 

[FeraligatrMaster]

Train regular Meowth, store Alolan Meowth to prevent it from evolving, and release Purrloin.

Kabutops, Relicanth, and Barbaracle

 

[Sorviknight]

Train Barbaracle, store Relicanth, release Kabutops.

Galvantula, Ariados, Araquanid.

 

[CF1994]

Train Galvantula, store Araquanid, release Ariados.

Hydreigon, Houndoom, Zoroark.

 

[Firox]

Train Zoroark (love it more of the three)
Store Hydreigon
Release Houndoom
(I would train all three personally)


fluffy foxes: Zorua, Fennekin, Eevee

 

[Sorviknight]

Train Eevee, store Fennekin, release Zorua.

Panpour, Pansage, Pansear.

 

[CF1994]

Train Pansage, store Panpour, release Pansear.

Poliwrath, Starmie, Vaporeon.

 

[FeraligatrMaster]

Train Starmie, store Vaporeon, and release Poliwrath.

Shiftry, Cacturne, and Sharpedo

 

[Sorviknight]

Train Sharpedo, store Shiftry, release Cacturne.

Kecleon, Castform, Tropius.

 

[CF1994]

Train Kecleon, store Tropius, release Castform.

Braixen, Bayleef, Brionne.

 

[FeraligatrMaster]

Train Braixen, store Bayleef, and release Brionne.

Totodile, Torchic, and Turtwig

 

[Sorviknight]

Train Totodile, store Turtwig, release Torchic.

Grimer, Alolan Grimer, Trubbish.

 

[Firox]

Train Trubbish
Store Grimer (wish I could release it too)
Release Alolan Grimer

evolved cats: Espeon, Persian, Delcatty

 

[FeraligatrMaster]

Train Espeon, store Persian, and release Delcatty.

Miltank, Gogoat, and Wooloo