They're Pokemon who pop up fairly infrequently, such as Drednaw and Raichu in the inaugural expansion of the Sword & Shield era (aptly titled 'Sword & Shield'). Rares are typically non-holographic in design. Related: The 10 Most Valuable Cards In Pokemon TCG's Lost Origin Expansion (If you snag a card of a higher rarity tier, it replaces that same slot.)
It remains noteworthy, insofar as it's rarer than the above and a guaranteed pull in every pack. A Rare, with no extra words to the term, isn't really all that rare. And now for our first of several more complicated explanations.
