Nidalee could have been easily fixed.
[Q] Javelin Toss
Cooldown increased to 12 seconds from 6. Mana cost increased to 100 / 120 / 140 / 160 / 180 mana from 50 / 60 / 70 / 80 / 90. If Javelin Toss hits a minion, monster or pet, the cooldown is reduced to 6 seconds and Nidalee is refunded 50 / 60 /70 / 80 / 90 mana. If Javelin Toss hits an enemy champion, the cooldown is reduced to 4 seconds and Nidalee is refunded 80 / 100 / 120 / 140 / 160 mana.