When playing with double-faced cards, either the traditional transforming ones or their shiny new modal cousins, it's important to that your cards are indistinguishable from one another
Let me explain: cast it for and you might hit a sword like Meteor Sword, or a Kaldra Compleat
Blackcleave Cliffs and Dragonskull Summit) instead of shocks and fetches
There have been many rumblings about bringing it back, though, with thoughts that cards like Golos, Tireless Pilgrim could have been banned as a commander instead of just removed from the format
Wizards of the Coast has recently changed its approach to updating the banlist and is creating a more flexible approach to updating it, stating that "Future banned and restricted announcements will occur two to five weeks after each set's release." This does depend on which formatting you are playing though, so it's still worth getting familiar with the banlist update cycles and the latest releases