When Dry Delta enters the battlefield, sacrifice it unless you pay .
: Add or to your mana pool.
Put Dry Delta on top of your library: Add to your mana pool.
, : Put target card from your graveyard on the bottom of your library.
.
: Add or 
to your mana pool.
to your mana pool. , : Put target card from your graveyard on the bottom of your library.
