When Gilt-Leaf Marsh enters the battlefield, sacrifice it unless you pay .
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
, Sacrifice Gilt-Leaf Marsh: Add to your mana pool.
.
: Add 
to your mana pool. If you played a land this turn, Add to your mana pool instead., Sacrifice Gilt-Leaf Marsh: Add 
to your mana pool.
