I've done everything now, so just calm down. I haven't had a chance to do the EVs and Natures until now.
Kyurem White@Life Orb
Ability: turboblaze
EVs 252 SpAtk/252 Spd/4 SpDef
Timid nature
Ice Burn
Fusion Flare
Flash Cannon
Dagon Pulse
Dialga@Leftovers
Ability: (probably) pressure
EVs 252 Def/252 SpDef/4 HP
Bold nature
Roar Of Time
Flash Cannon
Aura Sphere
Flamethrower
Palkia@Lustrous Orb
Ability: (probably) pressure
EVs 252 Spd/252 Def/4 SpAtk
Timid nature
Spacial Rend
Surf
Aura Sphere
Thunderbolt
Marshadow@Liechi Berry
Ability: technician
EVs 252 Atk/252 Spd/4 Def
Jolly nature
Shadow Sneak
Spectral Theif
Drain Punch
Acrobatics
Mega Mewtwo Y@Mewtwonite Y (obviously)
Ability: (probably) pressure
EVs 252 SpAtk/252 Spd/4 HP
Modest nature
Psychic
Energy Ball
Shadow Ball
Signal Beam
Primal Groudon@Red Orb (obviously)
Ability: drought
EVs 252 Def/252 Atk/4 HP
Adamant nature
EQuake
Fire Punch
Brick Break
Thunder Punch
Sorry about forgetting stuff, but really, I doubt you lot won't just complain about this team anyway.