They can be handy alongside planeswalkers since they generate enough card advantage to make up for spending a card without impacting the board
The Ring tempts you is the hallmark mechanic of the set, so while it's cool to get to build around it, the likelihood of this mechanic being supported in future is very slim
While its tough to know exactly how much impact it will have in Commander, being able to play a land and phase out a creature that you need to protect or a problem controlled by one of your opponents feels pretty cool
So there you have it, the long-shot specs of Magic Origins
The Prerelease period is also when WPN partner stores can begin selling all products from the set before non-member stores and other market channels
The loss of Aladdins Lamp, Armageddon Clock, Clockwork Avian, Kormus Bell, Tetravus, Triskelion and Yotian Soldier were huge, especially to those who utilized those Artifact creatures that were no longer being printed