Grace, Deathlace Sphinx

Flying
{3}: Put a gold counters on Grace, Deathlace
Sphinx.
At the beginning of each upkeep, for each three
gold counters on Grace, Deathlace Sphinx, put another gold counter on it.
Remove a gold counter from Grace, Deathlace
Sphinx: Add {w} or {b} and you gain 1 life.