Sorcery
Target
opponent
reveals
their
hand.
You
choose
a
nonland
card
from
that
player's
graveyard
or
hand
and
exile
it.
You
may
cast
that
card
for
as
long
as
it
remains
exiled,
and
you
may
spend
mana
as
though
it
were
mana
of
any
color
to
cast
that
spell.
