No team building restrictions, anything goes. Megas are banned for this Cycle. In addition, the use of the following Pokémon is discouraged (but not prohibited) to better emulate the Play!Pokemon circuit:
Skiddo
Gogoat
Muk (Kanto) with Acid
Koffing with Acid
Weezing (Kanto) with Acid
Chansey with Psybeam
Staryu with Quick Attack
Starmie with Quick Attack
Porygon with Quick Attack
Pichu with Quick Attack
Next up, the Ultra League:
Teams must be created with a combined point value not exceeding 3. Megas are not permitted for this Cycle.
S Tier (2 points): Cobalion, Cresselia, Feraligatr, Giratina (Altered), Mandibuzz, Registeel, Zygarde (Complete)
A Tier (1 point): Clefable, Dragapult, Drapion, Dragonite, Drifblim, Florges, Gastrodon, Guzzlord, Lickilicky, Machamp, Malamar, Miltank, Moltres (Galarian), Pangoro, Poliwrath, Regirock, Sandslash (Alolan), Steelix, Talonflame, Tentacruel, Umbreon, Virizion, Weezing (Galarian)
Last for the Open Leagues, Master League:
Teams must be created with a combined point value not exceeding 11.
Bans: Primal Groudon, Primal Kyogre, Mega Rayquaza, Mega Gardevoir, Mega Gyarados, Mega Tyranitar
Ω Tier (9 Points): Mega Latios
ζ Tier (8 Points): Mega Garchomp, Mega Salamence, Mega Swampert
γ Tier (7 Points): Mega Scizor, Zygarde Complete
α Tier (6 Points): Mega Charizard Y, Dusk Mane Necrozma
S Tier (5 Points): Dialga-Origin, Mega Gengar, Mega Latias, Dawn Wings Necrozma, Palkia-Origin, Solgaleo
A Tier (4 Points): Mega Aggron, Dialga, Mega Heracross, Ho-Oh, Landorus-Therian, Xerneas, Zacian
B Tier (3 Points): Dragapult, Giratina-Altered, Giratina-Origin, Kyogre, Meloetta, Mewtwo, Palkia, Rhyperior, Mega Steelix, Yveltal
C Tier (2 Points): Mega Blastoise, Mega Charizard X, Groudon, Mega Kangaskhan, Mega Lucario, Lugia, Marshadow, Galarian Moltres, Reshiram, Mega Slowbro, Zarude, Zekrom
D Tier (1 Point): Mega Blaziken, Dragonite, Enamorus-Incarnate, Florges, Genesect, Gyarados, Heatran, Kyurem, Melmetal, Mew, Primarina, Rayquaza
For the first Domain, Battle Frontier introduces the Polaris Domain!
CP Limit – 1,500
Allowed: Castform (Normal Form), Cradily, Greedent, Samurott, Snorlax, Tyrunt, Shadows
Bans: Araquanid, Ariados, Arctibax, Baxcalibur, Charjabug, Dewgong, Frigibax, Greninja, Guzzlord, Lanturn, Malamar, Ninetales (Alolan), Obstagoon, Pachirisu, Pinsir, Skuntank, Stunfisk (Unovan), Umbreon. Any pokemon which can learn mud slap is also banned.
Allowed Typings: Ice, Bug, Dark, Electric
Banned typings: Steel, Fighting, Fire Rock, Megas
For the final Domain, Battle Frontier introduces the Wasteland Domain:
CP Limit – 1,500
Allowed: Ampharos, Electrode, Farfetch’d (Galarian), Fearow, Furret, Gallade, Muk (Alolan), Qwilfish (Hisuian), Skuntank, Staraptor
Bans: Bastiodon, Empoleon, Foretress, Genesect, Giratina Origin, Golbat, Greninja, Grimer (Kanto), Jellicent, Malamar, Probopass, Raticate (Alolan), Registeel, Sableye, Sandslash (Alolan), Spiritomb, Tentacruel, Toxapex, Umbreon, Weezing (Galarian)
Allowed Typings: Dark, Ghost, Poison, Psychic, Steel
Banned Typings: Dragon, Electric, Fighting, Fire, Ground, (Dark/Poison), (Dark/Flying), (Steel/Flying), (Steel/Fairy), Megas, Shadows
