Boseiju, Who Endures has dropped precipitously in price since I saw the frightening pre-release price, so I think it will be do-able as an upgrade. Moreover, I think it will inject substantial utility into the deck. It bolsters the main plan and adds some versatility. It can even make mana in a pinch!
Four seems the correct number to run, but I suppose an argument might be made for three. At least one
Knight of Autumn will probably be substituted and the rest lands. I'm conflicted as to whether the one-of
Tectonic Edge should go, but it's probably logical. The second Forest may go as well,
Stirring Wildwood is a candidate as is
Gavony Township. Wildwood and Township have utility, but something has to go.
It's an exciting prospect to have a major upgrade to the old pile!