Esoteric Geomancy

When Esoteric Geomancy enters the battlefield,
each player mills two cards. You gain 1 life for
each land card put into a graveyard this way.
Lands you control have ``{t}: Add one mana of
any color that a land in a graveyard could
produce.``
They guard the secret arts of harnessing subtle earth
energies through the stones, having painstakingly
mapped the greater and lesser leylines of Tolmenwode.