I started out with Pandora only, because I liked the idea of her playstyle plus the theme of her models. I actually wouldn't recommend to start with her, because she is really hard to learn as a beginner, because her playstyle is a lot about correct positioning (all your Auras require LoS to work), which is very subtle and not that quick to improve in. Furthermore half of the Strategies, half of the Schemes and half of the deployment zones are bad for her, which leads to you having a disadvantage in most games.
But if you want to stick with Pandora, here a my two cents:
- Get Serna Bowman for heal, condition removal and the occasionally "Hole in the World" game changer; she also works well with Teddy and Carver, because she can melee through them with Blast trigger.
- Use Baby as a mobility peace and late game Assassin. Move, call Teddy to you and then Lure another model.
- Carver is really difficult to use IMO, because he has to get close, cannot flurry, is expensive and deceptively fragile. I would recommend to take either Hinamazu or Hooded Rider instead, until you have more experience with the crew.
- Try not to have more than 2 Manipulative Models in the crew. It really limits your activation order.
- Candy is a must-have. Works well with Hooded Rider as her Big Daddy.
- Poltergeist is great, but hide him most of the time and treat him like a Civilian.