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
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
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
"Decayed" means "This creature can't block" and "When this creature attacks, sacrifice it at end of combat." Decayed does not create any attacking requirements
If you manage to get a copy out, you end up with a permanent 24 power which can keep on growing
Includes one of each Commander Deck (Blood Rites, Ahoy Mateys, Veloci-ramp-tor, & Explorers of the Deep)