Pokemon White in-game team

Braviary, Quirky, Sheer Force, Lv 64
Whirlwind, Crush Claw, Brave bird, Fly

Gigalith, Bashful, Sturdy, Lv 61
Explosion, Strength, Stone Edge, Stealth Rock

Heracross, Hasty, Guts, Lv 63
Close Combat, Megahorn, Feint, Brick Break

Samurott, Careful, Torrent, Lv 62
Hydro Pump, Surf, Waterfall, Ice Beam

Haxorus, Jolly, Rivalry (Female), Lv 62
Dragon Dance, X-scissor, dragon claw, Brick Break

Metagross, Hardy, Clear Body, Lv 63
Agility, Rock SLide, Zen Headbutt, Meteor Mash

As you can tell, I don't care about natures for in-game teams and my moveset depends on the opponent (ie x-scissor on haxorus for elite four) Samurott is my water HM guy though If I find some heart scales, I might replace him with Basculin (with all the water HMs). Please help me improve.

Braviary, Quirky, Sheer Force, Lv 64
Superpower / Rock Slide / Shadow Claw, Crush Claw, Brave Bird, Fly

Gigalith, Bashful, Sturdy, Lv 61
Explosion / Earthquake, Strength, Stone Edge, Stealth Rock

Heracross, Hasty, Guts, Lv 63
Close Combat, Megahorn, Night Slash, Swords Dance

Samurott, Careful, Torrent, Lv 62
Hydro Pump, Megahorn, Waterfall, Ice Beam

Haxorus, Jolly, Rivalry (Female), Lv 62
Dragon Dance, X-Scissor, Dragon Claw, Brick Break

Metagross, Hardy, Clear Body, Lv 63
Agility / Hone Claws, Rock Slide / Earthquake / Hammer Arm, Zen Headbutt, Meteor Mash

I think its good but its entirely up to you on who you choose and the moves for them.
Finnally can someone rate my black team (not racist.) I only got it a month ago and i've been really busy so.

Dewott lvl 28

Krokorok lvl 31

Sawk lvl 28

Yamask lvl 29

Simisear lvl 30