Enchantment
Cumulative
upkeep
(At
the
beginning
of
your
upkeep,
put
an
age
counter
on
this
permanent,
then
sacrifice
it
unless
you
pay
its
upkeep
cost
for
each
age
counter
on
it.)
When
a
player
doesn't
pay
this
enchantment's
cumulative
upkeep,
this
enchantment
deals
X
damage
to
target
player
or
planeswalker
and
each
creature
that
player
or
that
planeswalker's
controller
controls,
where
X
is
twice
the
number
of
age
counters
on
this
enchantment
minus
2.