The idea was to have this grand loop of putting smalls out and bouncing them with the Nulltread Gargantuan, recycling the Ambuscade, drawing massive numbers of cards with Prime Speaker Zegana, recycling everything with Primal Command, distributing +1/+1 counters with the gearhulk and Zegana, Utopian Speaker then giving everything trample, and otherwise running riot with the two Amonkhet gods in the deck. Yeah, that went about as well as I should have expected. Notice some of the cards I mentioned that are not in here? The deck failed, miserably. It's not that individual parts are bad, it just doesn't work like it worked gold-fishing because the games are far too fast, or there are too many go-wides in my group, or...(pick your reason). In the end, the Amonkhet gods are still beasts, and the gargantuan is still ridiculously under-costed if you can handle the bounce-to-top-of-deck part. I still like the deck, and added stuff that makes it a little less Rube Goldberg, but it's still a critter deck that isn't intended for serious blow-the-doors-out games.
What are the hilariously failing Rube Goldberg decks you've attempted, and how bad did it get? Do you still have a modified version that you keep? Post it here!