Lyrilusc - Independent Nightingale
"Lyrilusc - Assembled Nightingale" + 1 "Lyrilusc" monster
If this card is Fusion Summoned using an Xyz Monster on the field as Fusion Material whose original name includes "Lyrilusc": You can increase this card's Level by the number of Xyz Materials that monster(s) had. This card gains ATK equal to its Level x 500. Unaffected by other cards' effects. Once per turn: You can inflict damage to your opponent equal to this card's Level x 500.