Otherworldly Arbor

Otherwordly Arbor is a 1/1 Eldrazi Dryad creature in addition to being a land. (It isn't
a spell, it's affected by summoning sickness.
Sacrifice Otherwordly Arbor: Add {c} to your mana pool.
The Eldrazi ravaged the land, and all fled them. The forest spirits did not have that option.