What EVs , Moves , Abilities and Items are the best for my team? And which current ones I should change
Current team is
Delta Venusaur (Docile)
Ability: Psycho Call (will be changed for Regenator)
Item: Leftovers (If not Mega)
Moves:
Leech Seed
Calm Mind
Psycho Boost
Moonblast
Feraligatr (Naive)
Ability: Torrent (will be changed for Sheer Force)
Item: Life Orb (if not Mega)
Moves:
Swords Dance
Crunch
Ice Fang (will be changed for Ice Punch)
Aqua Tail (will be changed for Waterfall)
Haxorus (Naughty)
Ability: Mold Breaker
Item: Life Orb (if not Mega)
Moves:
Dragon Dance
Taunt
Dragon Claw
Iron Head
Delta Gardevoir (Timid)
Ability: Lightning Rod
Item: Expert Belt (If not Mega)
Moves:
Thunder Wave (Only exists here just for making catching pokemon easier)
Ice Beam
Thunderbolt
Calm Mind
Typhlosion (Hasty)
Ability: Blaze (will be changed for Flash Fire)
Item: Expert Belt (if not Mega)
Moves:
Eruption
Flamethrower
Will-o wisp
Swift
Delta Metagross Spider (Naughty)
Ability: Immunity (Will be changed for Poison Heal)
Item: Leftovers (if not Mega)(Will be changed for Toxic Orb)
Moves:
Gunk Shot
Toxic
Earthquake
X Scissor