Number C104: Umbral Horror Masquerade

4 Level 5 monsters When this card is Special Summoned: You can target 1 Spell/Trap on the field; destroy that target. If this card has "Number 104: Masquerade" as material, it gains this effect. ● Once per turn, when a monster effect is activated on your opponent's field (Quick Effect): You can detach 1 material from this card; negate the activation, then you can send 1 random card from your opponent's hand to the GY, and if you do, halve your opponent's LP.