Lifeforce Harmonizer [CRMS-EN026] Ultimate Rare FAB083 choose up to X cards

choose up to X cards in your opponent's waiting room

while it has an Xyz Material attached that was originally Spellcaster-Type

Set: Gym Challenge Unlimited Type: Fire Rarity: Promo Retreat cost: Colorless

Card Number: BD/W54-E055SPMa SPM Rarity: Special Pack Rare Card Type: Character Color: Red Level: 1 Cost: 0 Soul: 0 Traits: Music

Set: EX: Dragon Frontiers Type: Fire Rarity: Uncommon Retreat cost: Colorless

Lifeforce Harmonizer [CRMS-EN026] Ultimate Rare FAB083 choose up to X cardsSet: Crimson Crisis Card type: Effect Monster Rarity: Ultimate Rare Attack: 800 Defense: 400 When your opponent activates a card's effect that inflicts damage, you can discard this card to negate its activation and destroy it.