Opera the Melodious Diva (Starfoil) (SP17-EN020) [Star Pack - Battle Royal]

Cannot attack the turn it is Normal Summoned or flipped face-up. If this card is sent to the Graveyard as a Fusion Material for a Fusion Summon: You can activate this effect; for the rest of this turn, "Melodious" monsters you control cannot be destroyed by battle or card effects.