Slow!
The team:
Slowbro**Slowbronite
Regenerator / Shell Armor
EVs: 248HP 252Def 8Spe
IVs 0Atk
Bold Nature
-Calm Mind
-Slack Off
-Psyshock
-Scald
Mega Slowbro is definetly the star of the team. Once in mega form it hits 504 defense, laughing at any un-boosted physical Attacker...