Nissa, Vital Force seemed like the best choice because she works on the curve with Chandra and her first two abilities can be situationally awesome with little set-up requirements
you could go that route in Pioneer, or use Collected Company in a tribal Spirits, Humans, or Elves deck
While some Standard cards will start to spike a bit now that Core Set 2019 is becoming a known quantity, I wouldnt chase the market too much right now
Curve Dragons tightly and include haste enablers so new tokens impact the board the turn they arrive
So far, weve only seen The Party Tree (The Great Henge), Bridge of Khazad-dm (Ensnaring Bridge), and Valley of Gorgoroth (Wastelands)
I think the waitthrough two visits to Innistradwas well worth it, as Grandaddy Markov is an excellent general, as the marquee commanders all seem to be