Transmogrifying Terrain

{t}: Add {c}.
{1}, {t}: If you control three or more creatures, Transmogrifying Terrain loses all abilities and
types and becomes Transmutation, a white enchantment with, "At the end of your turn,
create a 1/1 white Human creature token."
{4}: If you control three or more enchantments, transform Transmogrifying Terrain.