My First Team (Don't be too hard :P)

Thundurus-Therian (M) @ Life Orb
Ability: Volt Absorb
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Thunder
- Protect
- Volt Switch
- Hidden Power [Ice]

Politoed @ Damp Rock
Ability: Drizzle
EVs: 248 HP / 252 Def / 8 SpA
Bold Nature
IVs: 0 Atk
- Icy Wind/Ice Beam
- Helping Hand
- Scald
- Protect

Swampert-Mega @ Swampertite
Ability: Swift Swim
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Earthquake
- Waterfall
- Ice Punch/Super Power?
- Protect

Ludicolo @ Assault Vest
Ability: Swift Swim
EVs: 4 Atk / 252 SpA / 252 Spe
Mild Nature
- Fake Out
- Hydro Pump
- Giga Drain
- Ice Beam

Meowstic (M) @ Leftovers
Ability: Prankster
EVs: 252 HP / 252 SpD
Calm Nature
IVs: 0 Atk
- Rain Dance
- Magic Coat/Quick Guard?
- Fake Out
- Thunder Wave

Cresselia (F) @ Safety Goggles
Ability: Levitate
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Thunder Wave
- Icy Wind/Ice Beam
- Psychic/ Lunar Dance
- Helping Hand