What are your teams for each region? Mine are:
Kanto:
Mega Venusaur
Mega Beedrill
Aerodactyl
Jolteon
Tentacruel
Mega Gengar
Johto:
Typhlosion
Mega Ampharos
Azumarill
Furret
Umbreon
Skarmory
Hoenn:
Mega Swampert
Hariyama
Mega Manectric
Absol
Mega Altaria
Mega Metagross
Sinnoh:
Torterra
Staraptor
Luxray
Garchomp
Mega Lucario
Rotom (ice)
Unova:
Samurott
Virizion
Volcarona
Eelektross
Golurk
Zoroark
Kalos:
Ash-Greninja
Talonflame
Trevenant
Heliolisk
Aegislash
Zygarde 50%
Alola:
Primarina
Incineroar
Decidueye
Mimikyu
Tapu Koko
Lunala
Kanto:
Mega Venusaur
Mega Beedrill
Aerodactyl
Jolteon
Tentacruel
Mega Gengar
Johto:
Typhlosion
Mega Ampharos
Azumarill
Furret
Umbreon
Skarmory
Hoenn:
Mega Swampert
Hariyama
Mega Manectric
Absol
Mega Altaria
Mega Metagross
Sinnoh:
Torterra
Staraptor
Luxray
Garchomp
Mega Lucario
Rotom (ice)
Unova:
Samurott
Virizion
Volcarona
Eelektross
Golurk
Zoroark
Kalos:
Ash-Greninja
Talonflame
Trevenant
Heliolisk
Aegislash
Zygarde 50%
Alola:
Primarina
Incineroar
Decidueye
Mimikyu
Tapu Koko
Lunala