Spider Nest

Reach
At the beginning of your upkeep, put the top
card of your library into your graveyard.
{5}{g}, Exile Spider Nest: Emanate 2. You may activate this ability from your graveyard. (When
Spider Nest Emanates you may exile two cards from
your graveyard. If you do, create two 1/1 white and
green Dream creature tokens.)