Harmony

You gain 1 life for each creature you control.
Renewal {2}{g}{g}: ({2}{g}{g}, Exile this card from
your graveyard: Create a 2/2 green Elemental creature token with "When this creature enters the battlefield, you gain 1 life for each creature you control".)
The Irae live as nature does, endlessly cycling from life to death to new life.