Kruphix, Mystified

Indestructible
As long as your devotion to green and blue is less
than seven, Kruphix isn't a creature.
whenever one or more +1/+1 counters are put
on a creature you control draw a card.
Remove a +1/+1 counter from target creature
you control: add one mana of any color to your
mana pool. If you would lose this mana it
becomes colorless instead.