Sorcery
Delve
(Each
card
you
exile
from
your
graveyard
while
casting
this
spell
pays
for
.)
Target
opponent
mills
nine
cards,
then
you
may
cast
an
instant
or
sorcery
spell
from
that
player's
graveyard
without
paying
its
mana
cost.
If
that
spell
would
be
put
into
a
graveyard,
exile
it
instead.