Turning Omnath EDH into Elf Tribal

Looking to turn Omnath EDH into Elf Tribal. Need the following cards:

Elvish Champion
Joraga treespeaker
Joraga Warcaller
Priest of Titania
Craterhoof Behemoth
Essence Warden
Freyalise (don't want to buy the whole deck)
Lys Alana Huntmaster
Mosswort Bridge
Nissa Revane
Nylea
Oran-Rief, the Vastwood
Thunderfoot baloth