1 "Shaddoll" monster + 1 DARK monster

Must first be Fusion Summoned. Cannot be destroyed by an opponent's card effects. Each player can only Special Summon monster(s) once per turn while this card is face-up on the field. If this card is sent to the Graveyard: You can target 1 "Shaddoll" Spell/Trap Card in your Graveyard; add it to your hand.