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I built a Magic rules agent, then tried to prove it wasn't guessing

This story is from 2026-09-22. It is preserved in the archive; the latest stories are on the live feed.

Submission for the DEV x Sanity Challenge, Path One. What I Built JudgeStack answers Magic: The Gathering rules questions, but the answer itself is only half the job. It also works out which source has the authority to decide that answer. Depending on the question, that might mean retrieving the ca…

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  1. 2026-09-22 04:25 · DEV Community — AI
    I built a Magic rules agent, then tried to prove it wasn't guessing

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