(: Add or to your mana pool.)
When Krosan Swamp enters the battlefield, return a land you control to its owner's hand.
, : Regenerate target monocolored permanent.
, , Pay 1 life: Put a 1/1 black Skeleton Rogue creature token onto the battlefield.
: Add 
or 
to your mana pool.)
, : Regenerate target monocolored permanent., , Pay 1 life: Put a 1/1 black Skeleton Rogue creature token onto the battlefield.
