Rainbow Coal Mines

{1}, {t}, Sacrifice Rainbow Coal Mines: Search
your library and hand for up to 2 land cards
and put them on the battlefield tapped.
{3}, {t}, Sacrifice Rainbow Coal Mines: Search
your library, hand and graveyard for up to
4 land cards. Put one into your hand and the
rest onto the battlefield tapped.
Then, if you control 8 or more lands, untap
all lands you control.