Mufasars operation

When Mufasars operation enters the battlefield, sacrifice a land or an artifact.
{t}: Add one mana of any color to your manapool.
{1}{r}{r}: Put a Crater counter on target land or
artifact. It is colorless land named "Wastes" with
"{t}: Add {c} to your manapool." as long as it has
a Crater counter.