That will just be overpowered, I suggest it requiring diamonds or netherite to craft and be more mythical than realistic. Maybe it can convert more end-game blocks (eg. end stone) and turn it into coal, wood, or items that are annoying to obtain late-game. It should also have a 50% chance of doing so.
This is overpowered and has countless issues but Minecraft is already adding a feature close to this, archeology which will allow you too look through blocks for loot as seen in previous previews of it in Minecraft live ( or minecon, whatever it’s called in 2020 )
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