This card cannot be Normal Summoned/Set, and can only be Special Summoned by a card effect. You can only use the 1st and 2nd effect of this card’s name once per turn.
(1) You can target 3 of your banished Fiend monsters; Special Summon this card, then, shuffle those targets into the Deck.
(2) If this monster you control is destroyed by your opponent and sent to the GY, during the End Phase of that turn: Special Summon this card from the GY, then, you can destroy cards your opponent controls up to the number of Spell/Traps you control with different names.