(: Add or to your mana pool.)
Tree Pool enters the battlefield tapped.
, : Put a 2/2 green Leech creature token onto the battlefield.
, Sacrifice a Swamp: Add to your mana pool.
: Add 
or 
to your mana pool.)
, : Put a 2/2 green Leech creature token onto the battlefield., Sacrifice a Swamp: Add to your mana pool.
