Grandpa Blunder

Metagross @ Metagrossite
Ability: Clear Body
Shiny: Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Meteor Mash
- Hammer Arm
- Bullet Punch
- Zen Headbutt

BlazeLatias (Latias) @ Life Orb
Ability: Levitate
EVs: 72 HP / 184 SpA / 252 Spe
Timid Nature
- Draco Meteor
- Healing Wish
- Psyshock
- Defog

Garchomp @ Rocky Helmet
Ability: Rough Skin
EVs: 252 HP / 160 Def / 96 Spe
Impish Nature
- Dragon Tail
- Stealth Rock
- Earthquake
- Fire Blast

#Banaphy (Manaphy) @ Leftovers
Ability: Hydration
EVs: 96 HP / 252 SpA / 160 Spe
Timid Nature
- Scald
- Ice Beam
- Energy Ball
- Tail Glow

Grandpa Blunder (Thundurus-Therian) @ Leftovers
Ability: Volt Absorb
Shiny: Yes
EVs: 104 HP / 252 SpA / 152 Spe
Modest Nature
- Thunderbolt
- Focus Blast
- Hidden Power [Ice]
- Agility

Jayne Cobb (Landorus-Therian) @ Choice Scarf
Ability: Intimidate
EVs: 24 HP / 248 Atk / 236 Spe
Jolly Nature
- Earthquake
- U-turn
- Stone Edge
- Knock Off