Grim Root Spiritualist

{t}, Add {b/g} to your mana pool. If you have 7 or more forest or swamp cards in your graveyard, add {b/g}{b/g}{b/g} instead.
{1}{b}: Search your library for a forest or swamp and put it into your graveyard, then shuffle your library.
"The land we love may die, but as long as we survive, there is hope to prosper again."