(Blood Scrub isn't a spell.)
Blood Scrub enters the battlefield tapped unless you pay .
, : Scry 2.
: Add or to your mana pool.
: Add to your mana pool. Put Blood Scrub on top of your library.
.
, 
: Scry 2.: Add 
or to your mana pool.: Add 
to your mana pool. Put Blood Scrub on top of your library.
