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 "Cagna, 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 send 1 "Burning Abyss" Spell/Trap Card from your Deck to the Graveyard.