Graff, Malebranche of the Burning Abyss [DUEA-EN083] Rare

If you control a monster that is not a "Burning Abyss" monster, destroy this card. You can only use 1 of the following effects of "Graff, Malebranche of the Burning Abyss" per turn, and only once that turn.
? If you control no Spell/Trap Cards: You can Special Summon this card from your hand.
? If this card is sent to the Graveyard: You can Special Summon 1 "Burning Abyss" monster from your Deck, except "Graff, Malebranche of the Burning Abyss".