(Ubers) Mewdininja

Mewtwo-Mega-X @ Mewtwonite X
Ability: Pressure
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Taunt
- Low Kick
- Zen Headbutt
- Stone Edge

Greninja-Ash @ Choice Specs
Ability: Battle Bond
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Hydro Pump
- Dark Pulse
- Water Shuriken
- Grass Knot

Ho-Oh @ Flyinium Z
Ability: Regenerator
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Sacred Fire
- Brave Bird
- Recover
- Toxic

Magearna @ Leftovers
Ability: Soul-Heart
EVs: 252 HP / 4 Def / 252 SpD
Calm Nature
IVs: 0 Atk
- Heart Swap
- Fleur Cannon
- Volt Switch
- Heal Bell

Giratina-Origin @ Griseous Orb
Ability: Levitate
EVs: 232 Def / 252 SpA / 24 Spe
Modest Nature
IVs: 0 Atk
- Defog
- Hex
- Draco Meteor
- Will-O-Wisp

Arceus-Ground @ Earth Plate
Ability: Multitype
EVs: 252 HP / 64 Def / 192 Spe
Timid Nature
IVs: 0 Atk
- Judgment
- Recover
- Ice Beam
- Stealth Rock