(: Add or to your mana pool.)
When Rotting Seafloor enters the battlefield, sacrifice it unless you pay 3 life.
, Sacrifice a Swamp: Add to your mana pool.
, : Counter target spell unless its controller pays .
: Add 
or 
to your mana pool.), Sacrifice a Swamp: Add to your mana pool.
, : Counter target spell unless its controller pays .
