Humhumming the Key Djinn (Super Rare)

2 Level 3 monsters When this card is Special Summoned: You can target 1 "Djinn" Xyz Monster in your Graveyard, Special Summon it, then you can attach up to 2 cards from your hand to it as Xyz Materials. Once per turn: You can detach 1 Xyz Material from this card, then target 1 "Djinn" Xyz Monster you control, this turn, it can attack your opponent directly.