Need Help with additions to my Varina deck

https://moxfield.com/decks/0t6evgkxbkecqjSerb_Pig
On my birthday i was gifted the eternal might precon, i've been upgrading it since with some additions here and there but it doesn't feel quite right even still yet.
So im wondering what should i change or add.
I've gone just generic tribal so far with a few infinite combos too.