Someone else posted this in the comments section, and it's something I'd be interested in as well, so I thought here was a better place to post it.
A filter to not show items below a certain rarity threshold would be very helpful, whether it was a hard filter that only allowed items above the threshhold to be saved, or just a soft filter than prevented items below the threshhold to be shown in browse and search results.
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Rarity filter
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