When your commander would go to your hand or library, you may send it to the command zone instead, and it never enters those zones
Rules and How it Plays Given that its been steadily evolving since 1993 and now has high prize-money tournaments, the full rules of Magic have become extraordinarily complex
There are also some instances where typal coupling is used for flavor and gameplay reasons
You can't play around it by reading the board and tracking untapped mana
Giving them an option against those kinds of cards feels like it leads to a healthy environment
In reality, I feel like this isn't too far off something like Eye of Vecna, only you're paying more up front to not have to pay later, have a condition to meet, and get the card at the end of turn