I forgot to add that you can check bushes using ur poison (noxious blast). Although you dont get sight in the bushes, you know if a champion is there because you gain increased speed buff for a short duration.
Another trick to note is when to spam spells for her passive; if you are aggressive then u can get ur passive to 50% spell cost reduction, however if u do not maintain it then her spells will seem to cost too much early-mid game. Best way to think of it is to fully commit to an attack or harass, or just auto-attack to conserve mana.
Anyway hope u like the build or hav learnt something from this guide! GL HF ALL! :)