Golden Hourglass

Golden Hourglass enters the battlefield tapped
and with 5 time counters on it.
At the beginning of of you upkeep you may tap it
and remove a time counter on Golden Hourglass,
if you do: create a gold token.
When Golden Hourglass has zero time counters
on it: sacrifice it.
{t}{3} Put a time counter on Golden Hourglass.