Registeel @ Leftovers
Trait: Clear Body
EVs: 252 HP / 128 Def / 130 SDef
Careful Nature
- Amnesia
- Iron Defense
- Rest
- Sleep Talk
I use my Registeel to power up my other pokemon's defenses.
Dusknoir (M) @ Leftovers
Trait: Pressure
EVs: 252 HP / 129 Def / 129 SDef
Impish Nature
- ThunderPunch
- Fire Punch
- Swagger
- Psych Up
Dusknoir can use swagger on the opponents and then psych up on them or on the ally.
Umbreon (F) @ Focus Sash
Trait: Synchronize
Shiny: Yes
EVs: 252 HP / 4 Def / 252 SDef
Calm Nature
- Swagger
- Psych Up
- Baton Pass
- Taunt
This Umbreon is important, because it can improve its own stats and then pass them to another member of my team using baton pass.
Suicune @ Leftovers
Trait: Pressure
Shiny: Yes
EVs: 252 HP / 252 Def / 6 SDef
Bold Nature
- Rest
- Sleep Talk
- Calm Mind
- Scald
My Suicune's defenses will make sure it's gonna resist several damage and improve its special stats at the same time
Metagross @ Leftovers
Trait: Clear Body
Shiny: Yes
EVs: 252 HP / 4 Def / 252 SDef
Calm Nature
- Bullet Punch
- Brick Break
- Swagger
- Psych Up
This Metagross is a physical tank that can inflict serious damage using the strategy swagger/psych up.
Latias (F) @ Leftovers
Trait: Levitate
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature
- Recover
- Psych Up
- Psychic
- Dragon Pulse
Latias focuses on its special stats. I think it's better when sent out with Suicune on its side.