The consistency of all decks is very important, so your core cards should have a high floor so you can consistently execute some sort of game plan in the face of disruption
The ghosts are also references to creatures, all starting with A , as they've already fallen victim to the Abyss
In more recent times, relatively new sets have introduced a couple of other mechanics including the production of Food tokens
Once Cocoamix had finessed the program and could produce cards instead of messy text files, they began sharing their work around and building the 'MTG Neural Net' Discord community
In modern Magic, you would have to spend four mana just to destroy a single target land
Id argue, though, that if it produced even a colorless mana, it wouldnt even make the worst cards of all time list at this point due to Commander potential