Which is silly
These cards can be used to trigger landfall, fix your mana, and so much more
This means they can go into any Commander deck regardless of which colors your commander uses
Arguably the best card draw effect that white has access to, Esper Sentinel does have the limitation of its white color identity and thus lacks the flexibility of colorless artifacts that fit into any deck but as long as your commander doesn't hate Plains, you can't go wrong with this studious Sentinel
As part of the press Q&A, Rassmussen was asked whether there were concerns that draft and pre-release experiences would lose popularity because of Play Boosters higher price point
Like most Magic: The Gathering cards, the value of Price of Loyalty depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Adventures in the Forgotten Realms)