Rate my Leaf Green Nuzlocke Team

I'm about to face the Elite 4 and I'm wondering if you guys can rate my team and critique it. See what I can do to improve it. Thanks.


Rose (f)
Level 55
Attacks:
- Solar Beam
- Giga Drain
- Return
- Sleep Powder


Faye (f)
Level 52
Attacks:
- Flamethrower
- Secret Power
- Confuse Ray
- Will-O-Wisp


Aurora (f)
Level 52
Attacks:
- Surf
- Ice Beam
- Psychic
- Sing


Draco (m)
Level 55
Attacks:
- Outrage
- Fly
- Brick Break
- Thunder


Tyson (m)
Level 52
Attacks:
- Brick Break
- Focus Punch
- Substitute
- Rock Slide


Slade (m)
Level 52
Attacks:
- Earthquake
- Slash
- Aerial Ace
- Brick Break

I don't see much room for improvement, if you buy enough potions and revives you can probably beat the league! Else train some more levels ;)