Elementsaber Nalu

Nalu is a level 3, water-type warrior monster and a member of the Elementsaber monster archetype. Her card effect is: "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 the GY: You can declare 1 Attribute; this card in the GY becomes that Attribute until the end of this turn."