Golgari Gardens is a grindy sacrifice/attrition deck built around Ichor Wellspring, Fanatical Offering, and Eviscerator's Insight loops backed by removal like Cast Down and Snuff Out, so your Fogs matter less than in aggressive matchups and you want to prioritize card advantage and a proactive win condition. Murmuring Mystic turns your cantrips into a flying token army that can close out a long grindy game where they have few ways to interact with fliers. Faerie Macabre can discard to exile graveyard cards, disrupting value from their sacrifice-and-recur pieces. Arcane Denial is weaker here since extra cards fuel their already card-advantage-focused engine, so trim it along with some redundant draw spells for a more proactive plan.