Mal, That Answers Their Pleas

As long as your devotion to a single color is less than nine, Mal, That Answers Their Pleas isn't a creature.
As long as Mal is a creature, it's color is the color that you have the highest devotion to, if there is a tie, you choose until the tie is broken.
Pay four mana of Mal's color: Destroy target creature that isn't Mal's color.