Elementsaber Nalu

Once per turn: You can send 1 "Elementsaber" monster from your hand to the GY, then target 1 "Elementsaber" or "Elemental Lord" monster in your GY, except "Elementsaber Nalu"; add it to your hand. Once per turn, if this card is in your GY: You can declare 1 Attribute; this card in the GY becomes that Attribute until the end of this turn.