Your search for "Dark Smog PHSW-EN089" revealed the following:
Dark Smog - PHSW-EN089 - Secret Rare - 1st Edition from Photon Shockwave 1st Edition, available at 401 Games Canada. Rarity: Secret Rare Card Text:Once per turn: You can target 1 monster in your opponent's Graveyard; discard 1 Fiend-Type monster...
Dark Smog - PHSW-EN089 - Secret Rare - Unlimited from Photon Shockwave Unlimited, available at 401 Games Canada. Rarity: Secret Rare Card Text:Once per turn: You can target 1 monster in your opponent's Graveyard; discard 1 Fiend-Type monster and banish...