Number C104: Umbral Horror Masquerade

Level 5 DARK/Spellcaster Xyz Effect
3000 ATK / 1500 DEF

4 Level 5 monsters
When this card is Special Summoned: You can target 1 Spell/Trap Card on the field; destroy that target. If this card has "Number 104: Masquerade" as an Xyz material, it gains this effect.
● Once per turn, during either player's turn, when a monster effect is activated on your opponent's side of the field: You can detach 1 Xyz Material from this card; negate the activation, then you can send 1 random card from your opponent's hand to the Graveyard, and if you do, halve your opponent's Life Points.

Rulings – Yugipedia

Printings:

Judgment of the Light: JOTL-EN056 (Super Rare) - 2013-08-08
Judgment of the Light: JOTL-EN056 (Ultimate Rare) - 2013-08-08
Rarity Collection 5: RA05-EN046 (Collector's Rare) - 2026-04-09
Rarity Collection 5: RA05-EN046 (PLatinum Secret Rare) - 2026-04-09
Rarity Collection 5: RA05-EN046 (Secret Rare) - 2026-04-09
Rarity Collection 5: RA05-EN046 (Starlight Rare) - 2026-04-09
Rarity Collection 5: RA05-EN046 (Super Rare) - 2026-04-09
Rarity Collection 5: RA05-EN046 (Ultimate Rare) - 2026-04-09
Rarity Collection 5: RA05-EN046 (Ultra Rare) - 2026-04-09

Prices:

Cardmarket: 0.02 €
TCGplayer: $ 0.22