Enchantment
At
the
beginning
of
your
upkeep,
sacrifice
this
enchantment
unless
you
pay
.
Whenever
a
player
puts
a
Swamp
onto
the
battlefield,
this
enchantment
deals
3
damage
to
that
player
unless
the
player
puts
a
-1/-1
counter
on
a
creature
they
control.
