Clock Workings

When Clock Workings enters the battlefield, you
gain 3 life, and put 1 time counter on Clock
Workings.
Whenever you draw your second card each turn,
you gain 1 life and put 1 time counter on Clock Workings.
{4}, {t} : Put a time counter on Clock Workings.
{t}, Remove 5 time counters from Clock
Workings : You take an extra turn after this one.