Orianna is a very fun champ to play and requires good positioning of her ball to succeed in lane and in teamfights. Orianna is primarily a mid lane champion but can do well solo top if played correctly, she can also be played as a support quite successfully. Orianna's laning phase is brutal because of her amazing poke that allows her to pick her opponent away before unleashing her full burst on them to guarantee the kill. If played successfully early game Orianna can start dominating mid game and can handle 2 or 3 opponents at once because all of her abilities are AOE and allows her to pick up kills with ease provided that you get her ball set up in the right position. Another thing that seperated Orianna from most mages is that her basic is also usefull because of her passive adding magic damage to her normal attacks. Despite all of this Orianna has one major downside, she is very mana hungry making her having to leave lane very often.