Azelf@Focus Sash
4 HP / 252 SpA / 252 Spe
Naive Nature (-SpD +Spe)
Stealth Rock
Psychic
Fire Blast
Grass Knot
Azelf will get a free turn to set up rocks worry free with its sash. Also it can hit pretty hard with Fire Blast and STAB Psychic from a base 125 SpA. It can also hit common weather users such as Hippo T-Tar and Politoed
252 HP / 4 SpD / 252 Spe
Bold Nature (-Atk +Def)
Wish
Protect
Dragon Pulse
Roar
Ability: Levitate
Latias can set up wishes effectively with its decent HP, speed and defenses.
She also can hit decently, with 0 SpA EVs. If she needs to she can roar out other pokemon at a good speed that could threaten her not getting a wish up or her dieing.
Calm Nature (-Atk +SpD)
252 HP / 4 Def / 252 SpD
Sleep Talk
Will-o-wisp
Rest
Shadow ball
Ability: Pressure
Spiritomb is an all around good wall with max invested into SpD and HP. With its defenses he can Will-O-Wisp to take physical moves. Then when inflicted with status or gets down to low HP it can rest up to full health and be cured of status.
Bold Nature (-Atk +Def)
252 HP / 252 Def / 4 SpD
Calm Mind
Surf
Rest
Sleep Talk
Ability: Pressure
Suicune is a high defensed good attacking pokemon. With its all-around good stats it can easily set up calm minds and eliminate a lot threats the team may have.
Timid Nature (-Atk +Spe)
4 HP / 252 SpA / 252 Spe
Giga Drain
Bug Buzz
Focus Blast
Energy Ball/U-Turn?
Ability: Sticky Hold
Agirudaa is a fast killer with good SpA stats. With a choice scarf it can revenge kill almost everything. Along with revenge killing it can get some HP stat using giga drain and has a powerful STAB bug buzz. Focus blast can be used to get rid of annoying dark types like Zuruzukin and energy ball can get rid of annoying ground/water types. U-turn can also be used to kill a pokemon than leave the battle.
Bold (-Atk +Def) / Calm (-Atk + SpD)
248 HP / 56 Def / 252 SpD
Leech Seed
Substitute
Encore
Taunt
Ability: Mischievous Heart
Erufuun with Mischievous Heart can easily set up Leech seed and a sub basically killing every pokemon with its attacks. With the priority you can always set up a sub first then leech seed than attack protect pretty much getting out of most situations it is in.
Please leave suggestions and constructive criticism!!