Green ought to have...

[Fistandantilus]

Green ought to have a 1G creature that sacrifices itself to allow its controller to search his library for a basic forest and put in into play untapped.  Kind of like Sakura-Tribe Elder, but just basic forests instead of any basic land, and put into play untapped instead of tapped.

Green ought to have a 2G Wood Elves-like creature that has an evoke cost of 1G.

[Wagner]

Gets any Forest, not only basics, sure, it's not a creature, but with that, Rampant Growth, Wood Elves and Sakura, how much more variety can you want.

[Marco]

I have this in my set:

Arboreal Guardian

Creature – Elf Druid (Uncommon)
1/1
Sacrifice Arboreal Guardian: Search your library for a basic land card, reveal it, and put it into your hand. Then shuffle your library.
Rebirth (You may cast this card from your graveyard for its rebirth cost. If you do, it enters the battlefield with a death counter on it. If this creature would leave the battlefield, exile it instead.)

[TheShop]

He could also have the alternate cost from land grant.  So a sakura tribe elder+1, and he is a free land if you need one.

[Delha]

  for a Elder that fetches only basic Forest sounds fine to me. Since you don't get to keep the body, it's worse than Wood Elves. Since you can't fetch duals, it's worse than Nature's Lore.