(: Add or to your mana pool.)
When Madblind Barrens enters the battlefield, sacrifice it unless you pay .
, : Madblind Barrens deals 1 damage to target creature.
, Sacrifice a Swamp: Add to your mana pool.
: Add 
or 
to your mana pool.).
, : Madblind Barrens deals 1 damage to target creature., Sacrifice a Swamp: Add to your mana pool.
