Its rules were changed to be optional very quickly before being taken out of the game entirely
While buying your first packs or cards, always remember to get some card sleeves, they are basically a small plastic pouch for your cards and save your cards from getting scratches all over it and without the sleeve, any card can get easily damaged and that will bring down the value of your card
Cards like Rile and Slight Malfunction become sleeper hits in a deck like this
In the early game, that extra card can make a big difference
You can preorder Aetherdrift products now, including these Commander decks, from your local game store, online retailers like Amazon, and elsewhere Magic products are sold
Best of all, its not restricted, so decks that can run it can have three