Constellation Karametra

Constellation - Target Creature gets +1/+1
until end of turn.
{1}{g}{w}: Put a +1/+1 counter on target creature.
Use no more than once plus the number of times
this card's Constellation has been triggered this
turn.
{0}: Constellation Karametra becomes a 6/6 God
Incarnation creature with Vigilance 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 Karametra.