Molten Tar Pit enters the battlefield tapped unless you pay .
: Add or to your mana pool.
Sacrifice Molten Tar Pit: Add or to your mana pool.
: Return Molten Tar Pit to its owner's hand.
.
: Add 
or 
to your mana pool. or to your mana pool.: Return Molten Tar Pit to its owner's hand.
