He expresses distaste with the idea, saying that "cards should generally have to prove they are too strong" and that this is a "very rare and special exception"
Thats some serious stonks, and it could end up being a smart long-term pickup
But with Die creatures, there's an additional wrinkle: die creatures can be rerolled any time, not just when they were initially rolled

Other printings of Smothering Abomination $2.36 Smothering Abomination Battle for Zendikar $0.32 Smothering Abomination Secrets of Strixhaven Commander Most valuable cards in Battle for Zendikar Promos View the full price guide $88.29 Void Winnower Battle for Zendikar Promos $63.43 Ulamog, the Ceaseless Hunger Battle for Zendikar Promos $42.93 Void Winnower Battle for Zendikar Promos $31.49 Drana, Liberator of Malakir Battle for Zendikar Promos $25.35 Omnath, Locus of Rage Battle for Zendikar Promos $24.41 Conduit of Ruin Battle for Zendikar Promos $23.03 Emeria Shepherd Battle for Zendikar Promos $19.15 Sire of Stagnation Battle for Zendikar Promos More cards by Aleksi Briclot $400.00 Hellkite Tyrant Ravnica Remastered $319.92 Thoughtseize Time Spiral Remastered $205.79 Borborygmos Enraged Ravnica Remastered $183.78 Thoughtseize Lorwyn $133.26 Ulamog, the Infinite Gyre Rise of the Eldrazi $111.72 Wurmcoil Engine Kaladesh Inventions $83.19 Primeval Titan Time Spiral Remastered $79.56 Liliana Vess Lorwyn Discover Keep browsing SetBattle for Zendikar Promos Most valuableTop 100 Magic: The Gathering cards You might also like...

Its possible that its good enough, but I think if I want protection from Oko and Uro and such, Id rather play Mirran Crusader
Another big-ticket card seeing play right now is Call Forth the Tempest, which has been popular in Commander lately but also in Legacy, which has meant the price has crept up somewhat