Yveltal/Groudon team

Yveltal @ Weakness Policy
Ability: Dark Aura
Level: 50
EVs: 12 HP / 200 Def / 60 SpA / 72 SpD / 164 Spe
Modest Nature
IVs: 1 Atk / 30 SpD
- Snarl
- Dark Pulse
- Foul Play
- Protect

Groudon-Primal @ Red Orb
Ability: Desolate Land
Level: 50
EVs: 16 HP / 228 Atk / 8 Def / 4 SpD / 252 Spe
Jolly Nature
IVs: 30 HP / 30 Def / 28 SpA
- Precipice Blades
- Rock Slide
- Overheat
- Protect

Thundurus (M) @ Focus Sash
Ability: Prankster
Level: 50
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Thunderbolt
- Thunder Wave
- Taunt
- Protect

Kangaskhan-Mega (F) @ Kangaskhanite
Ability: Parental Bond
Level: 50
EVs: 4 HP / 252 Atk / 76 Def / 4 SpD / 172 Spe
Jolly Nature
- Fake Out
- Double-Edge
- Sucker Punch
- Low Kick

Talonflame @ Life Orb
Ability: Gale Wings
Level: 50
EVs: 36 HP / 252 Atk / 44 Def / 4 SpD / 172 Spe
Jolly Nature
- Brave Bird
- Flare Blitz
- Tailwind
- Quick Guard

Amoonguss @ Sitrus Berry
Ability: Regenerator
Level: 50
EVs: 212 HP / 84 Def / 212 SpD
Sassy Nature
IVs: 0 Spe
- Rage Powder
- Spore
- Clear Smog
- Grass Knot