Jenova, Ancient Calamity, for instance, has tons of potential yet is hardly played in Commander
Its best to opt for cards that make a lot of tokens over cards that make strong tokens since your commander makes your tokens into whatever you want
In order to grant an instant or sorcery Rebound, you have to first attack with Taigam, Ojutai Master, making him much more vulnerable than Cast Through Time and Narset Transcendent
If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) However, you can write scripts for whatever you feel comfortable with, for just a single card from an upcoming set or a bunch of them
Problem #4 It causes confusion in the marketplace
This helps to keep your stock fresh and it also helps to replace cards that you traded away to get the foils versions