Pit Of Death And Power

Pit Of Death And Power enters the battlefield tapped.
When Pit Of Death And Power enters the battlefield each player sacrifices a land.
A the beginning of your draw step, if a player lost life this turn you gain that much life.
{t}: Add {b} or {c} to your mana pool you lose 1 life.
{b}, {t}: Sacrifice a creature each opponent loses 2 life, you gain life equal to the amount of life lost this way.