Dark Smog

Continuous Trap Card

Once per turn: You can target 1 monster in your opponent's Graveyard; discard 1 Fiend-Type monster, and if you do, banish that target.

Rulings – Yugipedia

Printings:

Photon Shockwave: PHSW-EN089 (Secret Rare) - 2011-11-10
Abyss Rising: Special Edition: ABYR-ENSE2 (Super Rare) - 2012-12-05
Speed Duel: Battle City Box: SBCB-EN126 (Common) - 2020-11-26
Structure Deck: Dark World: SR13-EN036 (Common) - 2022-12-01

Prices:

Cardmarket: 0.09 €
TCGplayer: $ 0.09