Alexa Asked: Rate My Pokemon Team + Give Me Tips?

I don't use candies to train them, I only do it by battling. I also don't care about natures, sorry! Here is my team:

Haxorus
-Dragon Claw
-Swords Dance
-Earthquake
-Brick Break
Item: Dragon Fang

Lilligant
-Giga Drain
-Quiver Dance
-Toxic
-Energy Ball
Item: Miracle Seed

Eelektross
-Thunderbolt
-Flash Canon
-Dragon Tail
-Flamethrower
Item: Magnet

Samurott
-Surf
-Swords Dance
-Return
-Ice Beam
Item: Mystic Water

Archeops
-Acrobatics
-Rock Slide
-U-turn
-Earthquake
Item: None

Volcarona
-Flamethrower
-Bug Buzz
-Quiver Dance
-Psychic
Item: Charcoal

That's my team that I have played through the game with (except Volcarona, of course). Any tips on moves, items, or even Pokemon choice would be greatly appreciated. Thank you!