Dry Delta enters the battlefield tapped unless you control four or more White permanents.
: Add or to your mana pool.
Put Dry Delta on top of your library: Add to your mana pool.
, Sacrifice Dry Delta: Add to your mana pool.
: Add 
or 
to your mana pool.
to your mana pool. , Sacrifice Dry Delta: Add 
to your mana pool.
