Pokemon Battling/Trading topic

someone has the giovanni's celebi or one of the shiny legendary dogs distributed by wifi?

Hey a buddy of mine is doing a tournament on Aug 20th and im tryin to help him out. Smogon clauses otherwise open tiering I believe. The following list is a combination of his ready pokemon and the ones he's considering or training currently.

Short version= any advice on making a team with these?

Hydreigon
Nature: Timid
Item: Life Orb
EVs: 4HP / 252 Sp. Atk / 252 Speed
Fire Blast
Dark Pulse
Surf
Draco Meteor

Haxorus
Nature: Jolly
Item: Focus Sash
EVs: 4 HP / 252 Atk / 252Speed
Outrage
Earthquake
Rock Slide
Dragon Dance

Volcarona
Nature: Timid
Item: Life Orb/Leftovers
EVs: 4HP / 252 Sp. Atk/ 252 Speed
Fiery Dance
Bug Buzz
Morning Sun
Quiver Dance

Terrakion
Nature: Jolly
Item: Focus Sash
EVs: 4 HP / 252 Atk / 252 Speed
Close Combat
Rock Slide
Quick Attack
Swords Dance

Kingdra (Ability: Swift Swim hopefully)
Nature: Adamant
Item: Chesto Berry
EVs: 144 HP / 160 Atk / 40 Sp. Def / 164 Speed
Outrage
Waterfall
Dragon Dance
Rest

DW Dragonite (Ability: Multiscale if I can get it from Dream World)
Nature: Jolly
Item: Leftovers
EVs: 4 HP / 252 Atk/ 252 Speed
Roost
Dragon Dance
Earthquake
Outrage

Darmanitan
Nature: Adamant
Item: Choice Band
EVs: 4 HP / 252 Atk / 252 Speed
Flare Blitz
Rock Slide
Superpower
U-Turn

Reuniclus
Nature: Bold
Item: Leftovers / Life Orb
EVs: 252 HP / 252 Def / 4 Sp. Atk
Calm Mind
Psyshock
Recover
Focus Blast / Hidden Power Fighting (if I can figure out how to breed for this)

Ferrothorn
Nature: Sassy / Relaxed (leaning towards Sassy)
Item: Leftovers
EVs: don't know because there's so many different spreads
Spikes / Stealth Rock
Leech Seed
Gyro Ball
Power Whip

Jellicent
Nature: don't know
Item: Leftovers
EVs: don't know
Recover
don't know rest of attacks to pick

Tornadus
Nature: Jolly
Item: Flying Gem
EVs: 4 HP / 252 Atk / 252 Speed
Acrobatics
Taunt
Brick Break
Bulk Up

Aw geez, I haven't played competitivly if forever. ><

They look good to me, but if you're training a Terrakion, I have suggestion. I've seen a few people team it with Whimsicott with Beat up to power it up, and Tailwind for speed. It works really well.