Mega garchomp
Ability: Rough skin
Moves: Earthquake, dragon claw, stealth rock, rock slide
Stats: HP 248, Attk 252+, SpA-, Spd 8
Hariyama
Ability: Thick fat
Item: Life orb
Moves: Fake out, close-combat, wide guard, protect
Stats: HP 248, Attk 252+, SpA-, Spd 8
This is basically my starting two, my hariyama fakes out and my garchomp sets up stealth rocks on first turn, if the opponent uses a wide attacking move, i'll use wide guard, other that that its protect and earthquake, i didn't have guts as hariyama's ability as i wanted to make him an offensive tank.
Elektross
Ability: Levitate
Item: Rocky helmet
Moves: Rock slide, wild charge, light screen, super fang
Stats: HP 248, Attk 220+, SpA-, Def 20, SpD 20
Thunderus
Ability: Prankster
Item: Sitrus berry
Moves: Discharge, nasty plot, sludge wave, torment
Stats: Attk-, SpA+, SpD 4, Spe 252
These are my next two, depending on what my opponent is fielding, i would switch accordingly after either of my initial pokemon dies, usually i switch with thunderus to quickly finish off injured foes, sludge wave great for taking out grass at near half health or pesky serperiors, rock slide for charizards and flying, elektross also being great against semi tanks.
Cresselia
Ability: Levitate
Item: leftovers
Moves: Reflect, trick room, protect, lunar dance
Stats: HP 252, Def 8, SpD 252+, Spe-
Blissey
Ability: Healer
Item: Sitrus berry
Moves: Helping hand, heal pulse, softboiled, seismic toss
Stats: HP 248, Attk- Def 252+, SpD 8
These next two are my support, blissey generally uses helping hand to boost the team's multi-target move, while at the same time being able to heal and dish out damage when necessary, as for cresselia, i use it for the trick room and lunar dance one of my attackers when weak, mainly, high tank to direct heavy damage away from my crucial pokemon.