Apply 1 of these effects. Unless you have a "Vaalmonica" card in your Pendulum Zone, your opponent chooses the effect.

● Gain 500 LP, then if you have any monsters in your GY that can be Special Summoned, your opponent chooses 1 for you to Special Summon to your field.

● Take 500 damage, then you can add 1 Level 4 monster from your GY to your hand.

You can only activate 1 "Vaalmonica Intonare" per turn.