Lets find out if its still worth any hype now that we know the legal cards and how exactly it works

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Professional Protection: GRAAD's sealed capsule offers ultimate protection against external factors, ensuring long-term preservation
The response was often a grim warning, you will be miserable because the format will kill you by turn 4, dont try
This lets you maintain the no-cards-in-hand state but still have access to a bunch of potential spells to cast (at least temporarily)