You can only use the 1st and 2nd effect of this card’s name each once per turn.
(1) You can target 1 card you control; destroy it, then you can destroy 1 Spell/Trap on the field.
(2) If this card is in your GY: You can target 1 Fiend monster or 1 Set card you control; destroy it, and if you do, Special Summon this card, but place it on the bottom of the Deck when it leaves the field.