Hello. I'll be putting what team changes I said in the comments as the team rate. So, here we go.
Usually, I tell the team changes before giving the Pokepaste, but I'll start with the Pokepastes since there are two ways I'm going with this team. One team has Galarian Moltres, while the other has Galarian Zapdos. Here are the Pokepastes:
Flying Revisions with Galarian Moltres
Flying Revisions with Galarian Zapdos
Changes:
Braviary -> Dragonite: Unfortunately, Braviary isn't good in ND Monotype. Dragon Dance Dragonite servers as a better physical wallbreaker. Here's the set for reference:
Dragonite @ Heavy-Duty Boots
Ability: Multiscale
Tera Type: Dragon
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Dragon Dance
- Dragon Claw
- Earthquake
- Roost
Earthquake targets Steel-types such as Iron Treads, Heatran, non Air Balloon Gholdengo and Pokemon such as Toxapex and Alolan Muk. Roost lets Dragonite stay alive longer and can let it get off multiple Dragon Dances.
Mega Charizard Y: Focus Blast/Scorching Sands -> Hidden Power Ice since Focus Blast can hit Heatran and Tyranitar, Pokemon that are usually problematic for Mega Charizard Y. Scorching Sands can be used to hit Heatran without relying on Focus Blast to land.
Altaria: Altaria being replaced is what made me go two ways with this team. If you use Galarian Moltres, use Choice Scarf Landorus-Therian. If you use Galarian Zapdos, use Stealth Rock Landorus-Therian. Here are the sets for Galarian Moltres and Galarian Zapdos:
Moltres-Galar @ Flyinium Z
Ability: Berserk
Tera Type: Dark
EVs: 64 HP / 252 SpA / 4 SpD / 188 Spe
Modest Nature
IVs: 0 Atk
- Agility
- Nasty Plot
- Fiery Wrath
- Hurricane
Here's an explanation for the EVs, as I posted that moveset on the Galarian Moltres moveset thead:
188 Speed EVs allow Galarian Moltres to outspeed Mega Swampert in rain at a +2 speed boost. The 64 HP EVs and 4 Special Defense EVs are honestly just there to give Galarian Moltres a little bit of bulk.
Zapdos-Galar @ Choice Scarf
Ability: Defiant
Tera Type: Fighting
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Brave Bird
- Close Combat
- Throat Chop
- U-turn
Throat Chop lets Galarian Zapdos hit Ghost-types like Gholdengo, Skeledirge, and Spectrier super effectively.
Corviknight: Corviknight set is fine, though generally Celesteela is the Steel/Flying used on Flying teams. Here is the set for reference if you want to use Celesteela:
Celesteela @ Leftovers
Ability: Beast Boost
EVs: 252 HP / 212 Def / 44 SpD
Impish Nature
- Heavy Slam
- Leech Seed
- Protect
- Toxic
The Special Defense EVs let Celesteela avoid the 2HKO from Choice Specs Ice Beam from Greninja. (I replaced Corviknight with Celesteela on the Galarian Zapdos team since Celesteela works better on that team)
Landorus-Therian: The set you use depends on what you replaced Altaria with. Here are the sets:
Landorus-Therian (M) @ Choice Scarf
Ability: Intimidate
Tera Type: Ground
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- U-turn
- Knock Off
- Stone Edge
Landorus-Therian @ Leftovers
Ability: Intimidate
Tera Type: Ground
EVs: 252 HP / 164 Def / 92 Spe
Impish Nature
- Stealth Rock
- Earthquake
- U-turn
- Knock Off
Mantine: Heavy-Duty Boots -> Leftovers to prevent being chipped by hazards, Bold -> Calm Nature, made the EV spread 252 HP / 160 Def / 96 Spe to outspeed Adamant Azumarill, and Haze -> Air Slash to be able to get rid of the boosts from setup sweepers.
That's all of the changes made to the team! Hope this helps, and good luck laddering! :)