Artifact
:
Exile
a
card
from
your
hand
face
down.
You
may
look
at
it
for
as
long
as
it
remains
exiled.
:
Return
a
card
you
own
exiled
with
this
artifact
to
your
hand.
When
you
lose
control
of
this
artifact,
put
all
cards
exiled
with
this
artifact
into
their
owner's
graveyard.
