Pool of Endless Wealth

Whenever Pool of Endless Wealth dies, return it
to the battlefield with a +1/+1 counter on it if it had no +1/+1 counters on it when it died.
Remove a +1/+1 counter from Pool of Endless Wealth: you gain 1 life.
Remove a +1/+1 counter from Pool of Endless Wealth: add {1} to your mana pool.