While Im not wholly convinced a mono-black deck has access to that many helpful food effects, there are ways to take advantage of having some extra artifact tokens that youre able to make for free each turn
Some of the best Orzhov cards are not technically gold cards but do need to be played with access to both colours of mana to be worth it, as such the top ten is a top thirteen just in case you don't think they should count
Includes one of each Commander Deck (Blood Rites, Ahoy Mateys, Veloci-ramp-tor, & Explorers of the Deep)
In a black aggro or midrange deck, you can cast an Evolved Sleeper on turn one or a Tenacious Underdog on turn two, then cast Gix
If you manage to get a copy out, you end up with a permanent 24 power which can keep on growing
If you discard a card but that card is not in your graveyard as Bag of Holding's first ability resolves, that card remains wherever it has moved