When Dry Springs enters the battlefield, sacrifice it unless you pay .
: Add or to your mana pool.
: Add to your mana pool. Put Dry Springs on top of your library.
, Sacrifice Dry Springs: Dry Springs deals 1 damage to target creature or player.
.
: Add or 
to your mana pool.: Add 
to your mana pool. Put Dry Springs on top of your library., Sacrifice Dry Springs: Dry Springs deals 1 damage to target creature or player.
