Solfachord Solfeggia

When a monster effect activated by your opponent 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 Solfeggia" once per turn.

If you control no monsters, or all monsters you control are "Solfachord" monsters: You can Special Summon this card from your hand. (When you activate the following effect, you can also Tribute this card.) During your Main Phase: You can Special Summon 1 "Solfachord" monster from your hand, except "Solfachord Solfeggia", or if you Tributed this card at activation, you can Special Summon that monster from your GY or face-up Extra Deck instead. You can only use each effect of "Solfachord Solfeggia" once per turn.