





Introduction
So, first of all I want to thank Mega Magic Bounce, because he was the one who posted this offensive core months ago between Mega Diance and Entei. Here's the link to his posting: http://www.smogon.com/forums/threads/oras-good-cores-check-post-714.3524713/page-53#post-6419392
Now without further ado, this is the team I built around this core:
TEAM (OLD)
Mufasa (Entei) @ Life Orb
Ability: Pressure
Shiny: Yes
EVs: 32 HP / 252 Atk / 224 Spe
Adamant Nature
- Sacred Fire
- Extreme Speed
- Stone Edge
- Bulldoze
Mega Carbink (Diancie) @ Diancite
Ability: Clear Body
EVs: 32 Atk / 224 SpA / 252 Spe
Naive Nature
- Moonblast
- Diamond Storm
- Earth Power
- Protect
MuscledCloud (Thundurus) @ Life Orb
Ability: Prankster
Shiny: Yes
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunder Wave
- Thunderbolt
- Hidden Power [Ice]
- Nasty Plot
SpikyFrisbee (Ferrothorn) @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 40 Def / 216 SpD
Relaxed Nature
- Stealth Rock
- Leech Seed
- Gyro Ball
- Power Whip
Noel (Vaporeon) @ Leftovers
Ability: Water Absorb
EVs: 204 HP / 248 Def / 56 SpD
Bold Nature
- Wish
- Scald
- Protect
- Heal Bell
Latin@s (Latios) @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Psyshock
- Roost
- Defog
TEAM OVERVIEW
So I did a few games with this team, and fixed some things, replaced some mons around the process and such, and after hours of playing I think this team fits pretty well for what I want them to do.


These two complement each other really well offensively, as they can clean up lots of threats in the OU current meta game. M-Diancie beats a lot of mons that Entei struggles with such as Garchomp, Tornadus-T, Talonflame, Keldeo (non scarf) and both Latios, Latias. Meanwhile, Entei kills most of M-Diancie's threats that wall it, such as Ferrothorn (if M-Diancie doesn't carry HP fire which is my case), Skarmory, SpDef Excadrill, and most of bulky steel and grass types.

For the reasons mentioned above, I decided to add Vaporeon to the team, because it walls steel mons and pressures some ground types and can also provide the team a decent recovery with Wish when needed.

As I looked to my team I tought that having a flying type mon would be great (it's always good having one but whatever) so I made some experiments with a few flying mons, and Thundurus was my choice, providing a ground immunity without being worried about Mold Breaker Excadrill was my main goal, second, Thundurus also gave me opportunities to sweep with Nasty Plot, and Speed controlling fast mons that threaten my team with Thunder Wave.

Ferrothorn is here just because I wanted an answer to Amonguss and Breloom Spore which is really annoying and Serperior (if lacking the HP Fire) Also having a steel type in a team is always recommended.

Further looking at this team, I found it extremely weak to Scarfed Keldeo which could sweep me late game easily. That's why I decided to implement Latios here. It walls Keldeo entirely, (except if Keldeo uses Icy Wind or HP Bug on a switch) and also gives me a chance to get rid of rocks in case M-Diancie can't come in to bounce the hazards back, because otherwise hazards hurts my team a lot.
___________________________________________________________________________________________________________________________
I took the majority of suggestions from some people who tried to help me improve this team to a different level, covering it's flaws and such. Ty for the contribution of 'Dark G', 'KidMagic' and ' EdwardElric15'. Here's the Team updated:






Seeing how the team worked and also looking at the comments about it I decided to make a HO team. So without further ado let's get into it, shall we? :]
TEAM (UPDATED)
Mufasa (Entei) @ Choice Band
Ability: Pressure
Shiny: Yes
EVs: 40 HP / 252 Atk / 216 Spe
Adamant Nature
- Sacred Fire
- Extreme Speed
- Stone Edge
- Bulldoze
Mega Carbink (Diancie) @ Diancite
Ability: Clear Body
EVs: 32 Atk / 224 SpA / 252 Spe
Naive Nature
- Moonblast
- Diamond Storm
- Earth Power
- Protect
MuscledCloud (Thundurus) @ Leftovers
Ability: Prankster
Shiny: Yes
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Thunder Wave
- Thunderbolt
- Hidden Power [Flying]
- Nasty Plot
MyLittleBeast (Keldeo-Resolute) @ Choice Specs
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Hydro Pump
- Scald
- Secret Sword
- Icy Wind
Latin@s (Latias) @ Life Orb
Ability: Levitate
EVs: 32 HP / 224 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Psyshock
- Healing Wish
- Defog
CheckMate (Bisharp) @ Lum Berry
Ability: Defiant
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Knock Off
- Swords Dance
- Iron Head
- Sucker Punch
TEAM OVERVIEW


These two compliment each other really well offensively, as they can clean up lots of threats in OU current meta game. M-Diancie beats lots of mons that Entei struggles with such as Garchomp, Keldeo(non scarf), Talonflame, both Lati@s. Meanwhile, Entei kills most of M-Diancie's threats that wall it, such as Ferrothorn (if M-Diancie doesn't carry HP Fire which is my case), Skarmory, SpDef Excadrill and most of bulky grass and steel type mons.

I saw that this core had a huge weakness to ground type mons, so I decided to implement Thundurus ion this team because it doesn't struggle with them. Also seeing that M-Diancie loses to M-Venu and Amonguss no matter what, having HP Flying on Thundurus wasn't a bad idea. Also Nasty Plot is really threatening as it can provide a few kills or even a late game sweep. Thunder Wave is an answer to threats such as M-Zard X and M-Altria which can sweep this team at +1.

Keldeo actually fits on this team very well further looking at it as it can threaten most of Latios counters and checks such as Tyranitar, Bisharp and Heatran. Substitute enables Keld to be immune to status and also take advantage of defensive mons that can't break sub with 1 hit, letting Keldeo have a free CM boost.

The team looks weak to Keldeo which is a pretty common mon on OU so I decided to pick Latias as a check to it, even tho choice scarf HP Bug and choice specs Icy Wind Keldeo threaten Latios I think it's a wise decision to keep Latias for potential Keldeo opposing me.

Bisharp is a great mon as it can revenge kill mons weak Dark trapping them with Pursuit, it also does well against sand rush or scarf Excadrill and also M-Metagross as it can revenge kill them with Sucker Punch. It also has a great synergy with Latias as he can remove Fairies from the field to Latias spam Draco Meteor freely.
Mufasa (Entei) @ Choice Band
Ability: Pressure
Shiny: Yes
EVs: 40 HP / 252 Atk / 216 Spe
Adamant Nature
- Sacred Fire
- Extreme Speed
- Stone Edge
- Bulldoze
Mega Carbink (Diancie) @ Diancite
Ability: Clear Body
EVs: 32 Atk / 224 SpA / 252 Spe
Naive Nature
- Moonblast
- Diamond Storm
- Earth Power
- Protect
MuscledCloud (Thundurus) @ Leftovers
Ability: Prankster
Shiny: Yes
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Thunder Wave
- Thunderbolt
- Hidden Power [Flying]
- Nasty Plot
MyLittleBeast (Keldeo-Resolute) @ Leftovers
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Scald
- Secret Sword
- Substitute
Latin@s (Latias) @ Life Orb
Ability: Levitate
EVs: 32 HP/ 224 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Psyshock
- Healing Wish
- Defog
CheckMate (Bisharp) @ BlackGlasses
Ability: Defiant
EVs: 252 Atk / 52 SDef / 204 Spe
Adamant Nature
- Knock Off
- Pursuit
- Iron Head
- Sucker Punch
Ability: Pressure
Shiny: Yes
EVs: 40 HP / 252 Atk / 216 Spe
Adamant Nature
- Sacred Fire
- Extreme Speed
- Stone Edge
- Bulldoze
Mega Carbink (Diancie) @ Diancite
Ability: Clear Body
EVs: 32 Atk / 224 SpA / 252 Spe
Naive Nature
- Moonblast
- Diamond Storm
- Earth Power
- Protect
MuscledCloud (Thundurus) @ Leftovers
Ability: Prankster
Shiny: Yes
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Thunder Wave
- Thunderbolt
- Hidden Power [Flying]
- Nasty Plot
MyLittleBeast (Keldeo-Resolute) @ Leftovers
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Scald
- Secret Sword
- Substitute
Latin@s (Latias) @ Life Orb
Ability: Levitate
EVs: 32 HP/ 224 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Psyshock
- Healing Wish
- Defog
CheckMate (Bisharp) @ BlackGlasses
Ability: Defiant
EVs: 252 Atk / 52 SDef / 204 Spe
Adamant Nature
- Knock Off
- Pursuit
- Iron Head
- Sucker Punch
If you have any questions about the item choice, move sets or EV spread don't hesitate asking, ty :]
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