Eastern Plaguelands

{t}: Add {c} to your mana pool.
{t}, Pay 1 life: Add {b} to your mana pool.
{t}, Pay 3 life: Add {b}{b} to your mana pool.
{t}, Sacrifice a creature: Add {b} to your mana
pool for each creature card in your graveyard.
"Amidst the haunting mists of the Plaguelands,
the veil between the living and the dead is fragile.
Here, the land itself hungers for the touch of mortality, drawing strength from both the fallen and the forsaken"