In the bottom corner, a circle is Common, a diamond is Uncommon, and a star is Rare
In my experience, although KMCs are perfect for 99% of japanese cards they are sometimes too tight for WOTC cards, which usually results in me trying another sleeve from the package until I find one that fits just right
1 magnetic 3-card protector with base
And more importantly, the third-party resources I referenced heavily when putting together this newsletter (Scryfall, Gatherer, and MTGJson mostly) are also inconsistent with each other on points like these, although theyre all ridiculously comprehensive and consistent in their own ways
As usual, not all of them are new Pokmon, and the list contains several surprises
If a bonus sheet does have these qualities, it is absolutely good for the Limited experience