Mega Doggo team

Manectric-Mega @ Manectite
Ability: Intimidate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Volt Switch
- Thunderbolt
- Flamethrower
- Hidden Power [Ice]

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 252 HP / 216 Def / 24 SpD / 16 Spe
Impish Nature
- Stealth Rock
- Earthquake
- Knock Off
- U-turn

Heatran @ Grassium Z
Ability: Flash Fire
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Taunt
- Solar Beam

Tangrowth @ Assault Vest
Ability: Regenerator
EVs: 252 HP / 4 Def / 252 SpD
Sassy Nature
- Giga Drain
- Knock Off
- Sludge Bomb
- Earthquake

Greninja @ Choice Scarf
Ability: Protean
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- Rock Slide
- Ice Beam
- Extrasensory
- Dark Pulse

Skarmory @ Shed Shell
Ability: Sturdy
EVs: 248 HP / 252 Def / 8 SpD
Bold Nature
- Roost
- Defog
- Spikes
- Counter