Constellation Ephara

Constellation - Create a 1/1 blue Bird token with
Flying and a 1/1 white Human Citizen token.
{1}{w}{u}: Draw a card and gain 3 life. Use no
more than once plus the number of times this
card's Constellation has been triggered this turn.
{0}: Constellation Ephara becomes a 6/6 God
Incarnation creature with Flying until end of
turn. Use this only if you Devotion to Green
and White is 8 or more and you do not control
a creature named Constellation Ephara.