Small change to Zyra Q to help her midlane / no buff for support.
What if Zyra´s Q would refund like 15 mana if it kills a unit. So, no matter if you lasthit 1 or 3 minions with Q it would refund 15 mana. And if you dont lasthit anything with Q your Thornspitter is able to proc this effect once. This would help Zyra´s midlane alot and it wouldn´t buff her as a support.