Enchantment
At
the
beginning
of
your
upkeep,
repeat
the
following
process
for
each
opponent
in
turn
order.
Reveal
the
top
card
of
your
library.
That
player
may
pay
life
equal
to
that
card's
mana
value.
If
they
do,
exile
that
card.
Otherwise,
put
it
into
your
hand.