Graff, the Abyss Malebranche

If you control a non-Burning Abyss Creature, destroy Graff, the Abyss Malebranche.
If you have no non-creature Permanents, you can play Graff, the Abyss Malebranche without paying it's Mana Cost.
If this card is sent to the graveyard, {b}{b}{b}: Search your library for a Burning Abyss Creature with Mana Value 3, and cast it without paying it's Mana Cost.