Introduction
Hello all :). For my next battling session I thought I would choose a mega evolution that is not seen very often, and is actually very easy to set up with, Mega Gyarados. Lets get straight intro the process. Also you may or may not remember me from the Metagross OU Team I made 2 weeks ago. That team ended up scoring 8/10 wins and can be found here. I also created a Mega Gallade team which also scored 8/10 wins and can be found here. The Team Building Process

So of course there is the star of the team, Mega Gyarados, who will be running a dragon dancing sweeper set.


Talonflame has very good synergy with Gyarados in typing. Making up for its Grass, Fairy and fighting weaknesses. Gyarados makes up for talonflames water weakness.



Once I have a core, I always decide on the top pick for a spinner. In this case excadrill could act as a spinner and a Rock setter. It also has an electric immunity, which both mons in my core are weak to.




Clefable is acts as many roles for this team. It is an unaware wall, a clerk, and a wish passer.





Raikou can break through a lot of mons my core would have trouble breaking through. It can also get initiative in volt switch.






Landorus therian has good synergy with Raikou being a flying resist. The two also form a volt-turn core together.
An in depth look at the team
Gyarados-Mega @ Gyaradosite
Ability: Mold Breaker
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Dragon Dance
- Waterfall
- Earthquake
- Ice Fang
Gyarados is the main sweeper and the first half of the core. With decent bulk and intimidate it can switch in on most physical attackers, get them to -1 attack and set up a Dragon Dance on the most likely switch. Waterfall is the main STAB move as aqua tail can be unreliable. Earthquake is simply for electric coverage and Ice fang can catch grass type walls off guard such as Mega Venasaur. Ice fang nearly always catches the 4 times ice weaknesses in the tier such as Garchomp, dragonite, and Landorus-Therian. Mega Gyarados also has the mind games about whether or not I am going to Mega Evolve.
Gyarados-Mega @ Gyaradosite
Ability: Mold Breaker
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Dragon Dance
- Waterfall
- Earthquake
- Ice Fang

Talonflame @ Sharp Beak
Ability: Gale Wings
EVs: 252 Atk / 4 Def / 252 Spe
- Brave Bird
- Flare Blitz
- Swords Dance
- Roost

Excadrill @ Leftovers
Ability: Mold Breaker
EVs: 252 HP / 4 Atk / 252 SpD
Careful Nature
- Stealth Rock
- Rapid Spin
- Iron Head
- Earthquake

Clefable @ Leftovers
Ability: Unaware
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Heal Bell
- Moonblast
- Wish
- Protect

Raikou @ Choice Specs
Ability: Volt Absorb
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Volt Switch
- Thunderbolt
- Hidden Power [Ice]
- Extrasensory

Landorus-Therian @ Soft Sand
Ability: Intimidate
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Earthquake
- U-turn
- Knock Off
- Stealth Rock
Conclusion
So in Conlusion I think the team is very offensively built. The only real walls are Excadrill and Clefable who provide most of the utility. Speaking of utility, I think the team covers most of the standard utility in Clerk, Rock setter and spinner, Wish passer, and Knock off user. The team also has quite a lot of unexpected coverage such as extrasensory on Raikou. That is pretty much all I have to say and If you have any Set, move or even pokemon suggestions please let me know below. Thank you for your time:).Importable Version
=== Mega Gyarados OU Team ===
Gyarados-Mega @ Gyaradosite
Ability: Mold Breaker
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Dragon Dance
- Waterfall
- Earthquake
- Ice Fang
Talonflame @ Sharp Beak
Ability: Gale Wings
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Flare Blitz
- Brave Bird
- Swords Dance
- Roost
Excadrill @ Leftovers
Ability: Mold Breaker
EVs: 252 HP / 4 Atk / 252 SpD
Careful Nature
- Earthquake
- Iron Head
- Rapid Spin
- Stealth Rock
Clefable @ Leftovers
Ability: Unaware
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Moonblast
- Wish
- Protect
- Heal Bell
Raikou @ Choice Specs
Ability: Pressure
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Volt Switch
- Thunderbolt
- Hidden Power [Ice]
- Extrasensory
Landorus-Therian @ Soft Sand
Ability: Intimidate
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Earthquake
- U-turn
- Knock Off
- Stealth Rock
Gyarados-Mega @ Gyaradosite
Ability: Mold Breaker
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Dragon Dance
- Waterfall
- Earthquake
- Ice Fang
Talonflame @ Sharp Beak
Ability: Gale Wings
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Flare Blitz
- Brave Bird
- Swords Dance
- Roost
Excadrill @ Leftovers
Ability: Mold Breaker
EVs: 252 HP / 4 Atk / 252 SpD
Careful Nature
- Earthquake
- Iron Head
- Rapid Spin
- Stealth Rock
Clefable @ Leftovers
Ability: Unaware
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Moonblast
- Wish
- Protect
- Heal Bell
Raikou @ Choice Specs
Ability: Pressure
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Volt Switch
- Thunderbolt
- Hidden Power [Ice]
- Extrasensory
Landorus-Therian @ Soft Sand
Ability: Intimidate
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Earthquake
- U-turn
- Knock Off
- Stealth Rock
Replays
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