Anikthea, Hand of Erebos Precon Upgrade

[rain oak]

My deck feel super slow and I feel i don't have a peoper win con. First time trying to upgrade a precon on my own, Please help!!!
https://www.moxfield.com/decks/uKFThbtx8ECUmjEsPkS3fg

[vague fox]

So I've played against this deck before and it's brutal, I'd highly suggest having a look over this deck. Same colours and similar idea:

https://www.moxfield.com/decks/yinLaHT3jEazKQ4G9qOoww