Lunalight Masquerade - Duelist's Advance (DUAD)

During your Main Phase, if this card was activated this turn: You can send 1 "Lunalight" monster from your Deck to the GY. If you Fusion Summon a "Lunalight" monster: You can add 1 "Polymerization" from your GY or banishment to your hand, then you can discard 1 card, and if you do, once, if you Fusion Summon a "Lunalight" monster this turn, you can also banish monsters from your GY as material. You can only use each effect of "Lunalight Masquerade" once per turn.