Geode Mines

{t}, Sacrifice Geode Mines: Search your library for up to 2 land cards and put
them on the battlefield tapped.
{x}, {t}, Sacrifice Geode Mines: Search your library, hand and graveyard for up to
X land cards and put them on the battlefield tapped. Then, for each land
you control, you may pay 2 life and untap it.