Fauna, Primordial Mother

{g/w}, {t}: Create two 1/1 green Saplorling creature
tokens.
{g}{w}: Target Saplorling token you control
becomes a 3/3 Treefolk with trample.
{g}{g}{w}{w}: Target Treefolk token you control
becomes a 7/7 Avatar with trample and vigilance.
{1}{g}{w}, {t}: Regenerate target creature token you
control.