Not every card can be used as ink, but most can
Depending on what the metagame is, you might need some more disruption in the maindeck than just Elder Deep-Fiend
The concentric circles return in this one, but instead of calm, it gives a motion sickness-inducing whirlwind effect, as the poor mage can never make sense of the true world again! Bens penchant for telling stories in his composition is really something, and you can see more of his work on Artstation
You also get to take a land from among those milled cards and bring it back to your hand if you happen to mill one
The set is set for a street date of February 10, 2023, but with the pre-release already over (on February 3, 2023), many of the cards are already out there
The Clash Pack will then return for the second set in the Khans of Tarkir block