Clorless, Chaos King of Dark World

"Reign-Beaux, Overlord of Dark World" + 2+ Fiend monsters If this card is Fusion Summoned: You can destroy all cards your opponent controls. This card's original ATK/DEF each become the number of materials used for its Summon x 1000. Once per turn (Quick Effect): You can target 1 face-up card you control; discard 1

card, also your opponent cannot target that face-up card with card effects for the rest of this turn.

From Yu-Gi-Oh! Trading Card Game.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6nn7hs13xqsb1ilb63x1zg.