The Timeticker

This spell can't be countered.
This spell can only be cast if you have exactly
4 time counters.
If this creature is destroyed, you may exile it. You
may play it for free from exile once a turn if you
have exactly 4, 8, or 12 time counters.
{u}, {t}: Remove up to two time counters from
yourself.
{b}, {t}: Place up to two time counters on yourself.
Partner