When your opponent's monster effect activated on the field resolves, if you control a "GranSolfachord" monster, you can negate that effect, then destroy this card. You can only use this effect of "Solfachord Solfegia" once per turn.
Monster Effect
If you control no monsters, or all monsters you control are "Solfachord" monsters: You can Special Summon this card from your hand. During your Main Phase: You can activate this effect (you can also Tribute this card); Special Summon 1 "Solfachord" monster from your hand, except "Solfachord Solfegia", or, if you Tributed this card when you activated this effect, you can Special Summon from your face-up Extra Deck or GY instead. You can only use each effect of "Solfachord Solfegia" once per turn.
