For the purposes of format legality, deck construction, game rules, and effects, these cards have only the card name specified in the secondary title bar, says WotC's official Final Fantasy Release Notes
The black fetchlands all could threaten to find a Godless Shrine out of nowhere, and the information edge is surely worth more than the tiny Pithing Needle equity, or whatever
Its noteworthy that all the Duskmourn: House of Horror Commander precons were released with scheme cards, so its indicative of the compatibility between the systems
And if your playgroup accepts a Magic card as a toy, you can just use your Nightmare Moon card for protection from black to cover all your bases
To get great value out of it, youll have to create a large number of tokens (unless you dont care about your creatures getting exiled)