Please help with EVs and natures. I wonder how I fight online...?

[PhiJer]

Blissey nature? evs?
Seismic toss
Softboiled
Aromtherapy
Substitute

Typhlosion nature? evs?
Flamethrower
Thunderpunch
HP Water
EQ

Gyarados nature? evs?
Surf
EQ
HP flying
Ice beam

Skarmory nature? evs?
Iron defence
Substitute
HP water
wing attack

Heracross nature? evs?
Megahorn
endure
reversal
HP electric

Ninjask nature? evs?
Baton pass
agility
swords dance
Substitute

 

[PhiJer]

I may have steelix instead of skarmory

 

[Angeling]

Please don't double post next time; it's against the rule. To battle online, I believe it's netbattle.

The RMT may help you in the other regard. Either in-game or competitively. Or check out SPP.net.