Mega-Altaria Team
So I had always wanted to make a team based around Mega-Altaria, and given how strong it is in the current metagame, what better time to make one? The team's goal is to eliminate Mega-Alt's counters so it can sweep with Dragon Dance (original, I know). I'm pretty happy with this team's performance, but it could use some improvement; it's not perfect.
Teambuilding Process

Of course the first poke of the team is Mega-Alt.


I thought Heatran was a pretty good partner for Altaria. It handles steel types like Ferrothorn, Skarmory, and Scizor, while also beating fairies such as Clefable.



Two main threats stood out to me at this point: Azumarill and Breloom. Azu's STABs can hit both Altaria and Heatran super effectively. Breloom, while not incredibly common, can take an attack from Altaria thanks to Focus Sash and use Spore, and can beat Heatran with a combination of Focus Sash and Mach Punch. Celebi counters both of these 'mons effectively (Oh yeah, and Rotom-W, too).




The team at this point was looking pretty weak to Gengar, Starmie, and Scarf Latios, so a Pursuit trapper looked like a good idea. The team also lacked any priority. Scizor fills these roles nicely. Scizor also forms the first half of a U-turn core, which helps Altaria greatly.





Lando-T provides necessary SR support and is the second half of the U-turn core.






Finally, I needed a way to get rid of hazards, and some Water coverage. Starmie was pretty much a no-brainer.
In Depth:

Altaria @ Altarianite
Ability: Natural Cure
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Dragon Dance
- Return
- Earthquake
- Roost
The main star of the team. It mainly functions as a late-game sweeper. If it gets up a Dragon Dance It can easily sweep through the opponent's team. I prefer the more offensive set over the bulky one. Return is a strong STAB thanks to pixilate. Earthquake provides great coverage against things like Heatran or Zard-X. Roost is a great option in case Altaria takes a hit setting up DD or from Stealth Rock. EVs are self-explanatory.

Heatran @ Choice Scarf
Ability: Flash Fire
EVs: 28 HP / 252 SpA / 228 Spe
Timid Nature
- Overheat
- Flash Cannon
- Earth Power
- Stone Edge
The main partner for Altaria. Choice Scarf allows it to outspeed and kill many threats that it wouldn't be able to otherwise. Overheat is insanely strong, causing massive damage to almost anything that doesn't resist it. Flash cannon is a more reliable secondary STAB, and it takes care of Clefable. Earth Power is nice coverage, though I'm considering changing it to HP Ice. Stone edge kills Talonflame and Zard-Y. The EVs allow it to outspeed Mega-Lopunny, which is pretty crucial.
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Celebi @ Leftovers
Ability: Natural Cure
EVs: 252 HP / 204 Def / 36 SpD / 16 Spe
Bold Nature
- Giga Drain
- Recover
- Psychic
- Thunder Wave
Celebi is just great. It handles Azumarill, Rotom-W, and Breloom extremely well. Its bulk is very reliable, and is something people often underestimate. Giga Drain and Recover are pretty obvious moves to have. Psychic is needed to kill Breloom, and is a pretty good way for Celebi to wear down opposing pokemon outside of that. Thunder Wave support is awesome; it's pretty easy to predict switches and screw the opponent over with it. It can also stop many potential sweeps. The defense EVs ensure that even if I switch into CB Azu's Play Rough with rocks on the field, I can always beat it with Giga Drain. 16 EVs in speed let me outspeed and paralyze Adamant Bisharp. The rest are dumped into Sp. Def for some extra bulk.

Scizor @ Choice Band
Ability: Technician
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- U-turn
- Pursuit
- Bullet Punch
- Superpower
Banded Scizor is a pretty underrated threat in this meta. It functions extremely well as a pursuit trapper, taking care of Gengar, Starmie, and Scarf Latios effectively. U-turn is of course a great way to wear down the opposing team as well as being a great scouting tool. Bullet Punch provides priority that my team needs. Superpower is the hard-hitting move here, most importantly used for Bisharp, but it hits almost everything hard if it doesn't resist it. The HP investment makes it easier to switch in on things and trap them.

Landorus-Therian (M) @ Leftovers
Ability: Intimidate
EVs: 252 HP / 240 Def / 8 SpD / 8 Spe
Impish Nature
- Stealth Rock
- U-turn
- Earthquake
- Knock Off
Lando provides necessary Stealth Rock support for my team. U-turn allows it to form a U-turn core with Scizor, which helps to wear down the opposing team, aiding Altaria's sweep. Earthquake is a pretty much a given. Knock off lets me cripple a lot of things such as choiced 'mons, and is great for hitting things like Starmie on the switch. Not much to say about this guy, really.

Starmie @ Life Orb
Ability: Analytic
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hydro Pump
- Ice Beam
- Thunderbolt
- Rapid Spin
Starmie gets rid of rocks and other hazards, which is absolutely essential given Altaria's SR weakness and the general amount of switching this team does. Like Altaria, I prefer the more offensive set / EV spread (Though it's of course subject to change). Hydro pump is strong STAB, and Ice Beam is a great move to have. It makes it unsafe for the opponent to switch into a grass type like Celebi or Serperior that resists Hydro Pump. Thunderbolt is a great coverage move that a lot of people don't expect, since Starmie usually runs psyshock. It makes it easy to hit opposing bulky waters and flying types.
Altaria @ Altarianite
Ability: Natural Cure
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Dragon Dance
- Return
- Earthquake
- Roost
Heatran @ Choice Scarf
Ability: Flash Fire
EVs: 28 HP / 252 SpA / 228 Spe
Timid Nature
- Overheat
- Flash Cannon
- Earth Power
- Stone Edge
Celebi @ Leftovers
Ability: Natural Cure
EVs: 252 HP / 204 Def / 36 SpD / 16 Spe
Bold Nature
- Giga Drain
- Recover
- Psychic
- Thunder Wave
Scizor @ Choice Band
Ability: Technician
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- U-turn
- Pursuit
- Bullet Punch
- Superpower
Landorus-Therian (M) @ Leftovers
Ability: Intimidate
EVs: 252 HP / 240 Def / 8 SpD / 8 Spe
Impish Nature
- Stealth Rock
- U-turn
- Earthquake
- Knock Off
Starmie @ Life Orb
Ability: Analytic
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hydro Pump
- Ice Beam
- Thunderbolt
- Rapid Spin
Ability: Natural Cure
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Dragon Dance
- Return
- Earthquake
- Roost
Heatran @ Choice Scarf
Ability: Flash Fire
EVs: 28 HP / 252 SpA / 228 Spe
Timid Nature
- Overheat
- Flash Cannon
- Earth Power
- Stone Edge
Celebi @ Leftovers
Ability: Natural Cure
EVs: 252 HP / 204 Def / 36 SpD / 16 Spe
Bold Nature
- Giga Drain
- Recover
- Psychic
- Thunder Wave
Scizor @ Choice Band
Ability: Technician
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- U-turn
- Pursuit
- Bullet Punch
- Superpower
Landorus-Therian (M) @ Leftovers
Ability: Intimidate
EVs: 252 HP / 240 Def / 8 SpD / 8 Spe
Impish Nature
- Stealth Rock
- U-turn
- Earthquake
- Knock Off
Starmie @ Life Orb
Ability: Analytic
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hydro Pump
- Ice Beam
- Thunderbolt
- Rapid Spin
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That's the team! I'm looking to improve it, so pretty much any suggestions are welcome. Thanks for reading!