Well of Healing

Protector (whenever you cast another spell with
protector, you may add a counter to this permanent of
a type that is already there.)
Healing Well enters the battlefield with a charge counter on it.
{t}: Add {g} or {w}. If Healing Well has three or
more charge counters on it, add {g}{w} instead.
{3}, {t}: Gain X life and draw X cards, where X is
the number of charge counters on Healing Well.