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Your Breloom is great but a SubPuncher is better. Replacing Stone Edge to substitute. You have Vaporeon to counter gyara so you don't need stone edge. Also, Stone Edge is not useful to breloom since most of the flying types outrun breloom and breloom is really weak to flying type attacks so it's...
Your Roserade's ev spread isn't good. First of all your Roserade has Focus Sash so you don't need to put 24 hp evs on your Roserade. 252 Sp.atk ev, 252 Speed evs, and 6 hp evs is better for your Roserade.
Your team really needs more sweeper. Replacing your gyara with an offensive gyara is...
A good team. However, your Blissey's ev spread is not good. It's better if you would put 252 HP, 252 Def and 6 Sp.Defense because Blissey can take Special Attacks even with low ev in sp.defense. Also, Counter is not good for blissey anymore. You can replace Counter with Shadow Ball/Ice Beam...
I agree with Odinwolf. Blizzard is really the best option for Walrein. It has 100% accuracy because of hail and STAB dealing a lot of damage. But the thing is that blizzard is really poor in pp only 5/5 and since it's Impish nature it can't deal great damage because it lowers Sp.attk by 10%...
This is my New Team. It has a BIG problem with electric attacks so i wanted an Electrivire but i don't really care about it.
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Staraptor @ Choice Band
Ability...