Solfachord Symphony (Common)

Apply these effects, in sequence, based on the number of face-up Solfachord Pendulum Monsters with different names in your Extra Deck.
? 3+: Solfachord Pendulum Monsters you control gain ATK equal to their own Pendulum Scale x 300 this turn.
? 5+: You can destroy 1 card your opponent controls, then if you have an odd Pendulum Scale in your Pendulum Zone, draw 1 card.
? 7+: You can Special Summon 1 GranSolfachord monster from your Extra Deck.
You can only activate 1 Solfachord Symphony per turn.