(: Add or to your mana pool.)
When Overgrown Tar Pit enters the battlefield, sacrifice it unless you pay .
, : Put a 2/2 green Bear creature token onto the battlefield.
, Sacrifice a Swamp: Add to your mana pool.
: Add 
or 
to your mana pool.).
, : Put a 2/2 green Bear creature token onto the battlefield., Sacrifice a Swamp: Add to your mana pool.
