If you think something seems too expensive, it's definitely not a bad idea to wait it out and see how things look closer to the end of January 2020
Most real-world games have finite limits on their complexity, such as the size of a game board
I mean, even if this just spat out a treasure every single turn it wouldnt actually be that good in a format where mana kind of loses its meaning by the late game, and this is worse than that in most ways This is another really bad Limited card
It also teaches you card evaluation, deckbuilding instincts, and strategic thinking faster than almost any other format
It also promotes playing a heavy number of basic lands, so it pairs well with Blood Moon and similar stax pieces
In Commander, the decks that best take advantage of fogs are ones that want to win further into the late-game and dont have much to do early on outside of ramping