Mirror Force Dragon

Level 8 LIGHT/Dragon Fusion Effect
2800 ATK / 1200 DEF

Must be Special Summoned with "The Fang of Critias", using "Mirror Force". When a monster(s) you control is targeted for an attack or by an opponent's card effect (except during the Damage Step): You can destroy all cards your opponent controls.

Rulings – Yugipedia

Printings:

Dragons of Legend 2: DRL2-EN005 (Secret Rare) - 2015-07-16
Dragons of Legend: Unleashed: DRL3-EN059 (Ultra Rare) - 2016-08-18
Legendary Dragon Decks: LEDD-ENA39 (Common) - 2017-10-05
Legendary Collection Kaiba Mega Pack: LCKC-EN062 (Ultra Rare) - 2018-03-08
Dragons of Legend: The Complete Series: DLCS-EN057 (Common) - 2020-09-10

Prices:

Cardmarket: 0.10 €
TCGplayer: $ 0.35