Cosmic Blazar Dragon [MP24-EN029] Quarter Century Secret Rare Magician's Force When an Efffect Monster effect

When an Efffect Monster effect is activated

After this effect resolves

Destroy the attacking monster

you can detach 1 Xyz Material from that monster instead

Cosmic Blazar Dragon [MP24-EN029] Quarter Century Secret Rare Magician's Force When an Efffect Monster effectSet: 25th Anniversary Tin: Dueling Mirrors Card type: Synchro Effect Monster Rarity: Quarter Century Secret Rare Attack: 4000 Defense: 4000 1 Tuner Synchro Monster + 2+ non Tuner Synchro Monsters Must be Synchro Summoned. (Quick Effect): You can banish this card until the End Phase to activate 1 of these effects; When your opponent activates a card or effect: Negate the activation, and if you do, destroy that card. When your opponent would Summon a