Mellow Wood Willow

Preserve (When this creature enters the battlefield, you may exile a land you control until
this creature leaves the battlefield.)
When Mellow Wood Willow preserves a land, exile target creature an opponent controls until Mellow Wood Willow leaves the battlefield.
"Stay and talk a while, friend. I have learned much
in this long life. Surely you could learn a few things from a story or two."