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Obviously, not all of the will be Mana Crypt, but this certainly is a good list for a "Great hits: Artifacts edition"

Professional Protection: GRAAD's sealed capsule offers ultimate protection against external factors, ensuring long-term preservation

We also get a very tiny insight into WotC's QA involvement with this article

Sets that take place on this plane are often pivotal to the story of Magic and are usually full of iconic cards and legendary characters

Of course, if you counter a spell with this before you have three colorless and two blue mana available, you straight-up lose the game during your next upkeep so the drawback is quite steep but any counterspell player knows exactly the right time to pull this tremendously strong free counterspell out of the bag so they wont get hit with a good game prematurely

By activating this at the timing when your opponent uses cards like "Monster Reborn" or "Called by the Grave", This sequence of events allows you to significantly hinder your opponent's actions