Use, Sell, Release!

[Percy]

Use Braviary, sell Gothitelle, release Mandibuzz.

Pidgey, Taillow, Hoothoot.

 

[Winter]

Use Taillow, Sell Pidgey to Pidgey (hah), Release Hoothoot (not giving a hoot).

Ekans, Rattata, Mankey

 

[Guardian]

Use Ekans, Sell Mankey, release Rattata.

Dratini, Bagon, Gible.

 

[Aslan]

Use Gible, sell Dratini and release Bagon!

Giratina, Dialga and Palkia?

 

[KorpiklaaniVodka]

Use Dialga, sell Giratina and release Palkia.

Primal Groudon, Mega Gengar, Yveltal

 

[blue]

Use - Mega Gengar
Sell - Primal Groudon
Release - Yveltal

Xerneas, Mega Sharpedo, Black Kyurem

 

[Winter]

Use Mega Sharpedo, Sell Black Kyurem, Release Xerneas.

Blaziken, Emboar, Infernape.

 

[blue]

Use - Blaziken
Sell - Emboar
Release - Infernape

Starmie, Relicanth, Pelipper

 

[NoOneAtAll]

Use Starmie, sell Pelipper, release Relicanth.
Hypno, Grumpig, Beheeyem?

 

[Hyzenthlay]

Use Grumpig, sell Beheeyem, release Hypno.

Mega Sableye, Buneary, Rampardos?

 

[Winter]

Use Mega Sableye, Sell Buneary, Release Rampardos.

Manectric, Mega Glalie, Aerodactyl

 

[Meadow]

Use - Manectric (It's a Pokémon I always liked!)
Sell - Mega Glalie (I really love normal Glalie, but not so much of its Mega form, haha.)
Release - Aerodactyl (Er... maybe it shouldn't be in the wild, but okay. xD)

Dunsparce, Snorlax, Bidoof

 

[Sheep]

Use Dunsparce, sell Bidoof, release Snorlax. I love shiny pink dunsparce <33

Delphox, Ampharos, Skuntank

 

[Lycanthropy]

Use Delphox as it's awesome because magic, sell Skunktank because that fits with Team Rocket and release Ampharos.

Belossom, Muk, Tyrantrum

 

[Aslan]

Use Tyrantrum because dinosaurs, sell Muk as it'd be a hazard to the environment and release Bellossom!

Magnemite, Trubbish and Voltorb?

 

[Hyzenthlay]

I had the same answer! You ninja. >:c

Use Magnemite, sell Voltorb and release Trubbish.

Cinccino, Klefki, Musharna.

 

[Sirfetch’d]

Use Klefki because it's so cute <3 sell Cinccino because I already have 4 and release Musharna back into the dream world :3

Golurk, Cofagrigus, Chandelure

 

[Dedenne1]

Use Chandelure
Sell the stupid Cofarigus hes probably worth thousands
Release the gigantic golurk!

 

[Percy]

and I do nothing.

latias, latios, dedenne.

 

[NoOneAtAll]

Use Latios, sell Dedenne, release Latias.

Slaking, Regigigas, Shedinja?