(: Add or to your mana pool.)
When Windbrisk Cairns enters the battlefield, sacrifice it unless you pay 2 life.
, : Put a 1/1 Knight creature token onto the battlefield.
, Sacrifice a Swamp: Add to your mana pool.
: Add 
or 
to your mana pool.)
, : Put a 1/1 Knight creature token onto the battlefield., Sacrifice a Swamp: Add to your mana pool.
