When a Fusion Monster is Special Summoned to your field: you can target that monster, Special Summon 1 “Lunalight Token” (Beast-Warrior/DARK/Level 4/ATK 2000/DEF 2000) to your opponent field, and the target monster gains 500 ATK for each monster your opponent controls. During your Main Phase: You can banish this card from your GY; Send 1 card from your hand to the GY, and Special Summon 1 “Lunalight” monster from your Deck. You can only use this effect of “Lunalight Serenade Dance” once per turn.
