Enchantment
At
the
beginning
of
the
end
step,
if
no
creatures
are
on
the
battlefield,
sacrifice
this
enchantment.
:
This
enchantment
deals
1
damage
to
each
creature
and
each
player.
Activate
no
more
times
each
turn
than
the
number
of
snow
Swamps
you
control.
