2+ monsters, including a Pendulum Monster
Gains 100 ATK for each face-up Pendulum Monster in your Extra Deck. The activated effects of Pendulum Monsters this card points to cannot be negated. Once per turn, when your opponent activates a card or effect (Quick Effect): You can Special Summon 1 "Solfachord" card with an odd Pendulum Scale from your Pendulum Zone to your zone this card points to, and if you do, negate the activation, then you can add 1 "Solfachord" Pendulum Monster with an even Pendulum Scale from your Deck to your face-up Extra Deck.