Enchantment
When
this
enchantment
enters,
create
a
token
that's
a
copy
of
target
nontoken
creature.
When
this
enchantment
leaves
the
battlefield,
exile
the
token.
When
the
token
leaves
the
battlefield,
sacrifice
this
enchantment.
At
the
beginning
of
your
upkeep,
sacrifice
this
enchantment
unless
you
pay
.