how rare is a rainbow pokemon card 100+ Cards Binder Collection Includes 5 foils in Any Combination and at Least 1 of The Following Cards, EX and GX, FA, Secret Raikou ex Rainbow Illustration Rare

This method still comes with some of the headache of having to click on every single card you're missing to know which Pokmon it is (unless you've memorized each Pokmon's number)

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Good examples of this are the serialized cards from the Holiday Release of Lord of the Rings on Cardmarket

Got a serialized card or looking into grading services

$0.69 Hidden Strings Dragon's Maze $0.39 Minister of Impediments Dissension $0.35 Plunge into Winter Wilds of Eldraine $0.49 Timin, Youthful Geist Innistrad: Crimson Vow Commander Decks $0.35 Amazing Acrobatics Marvel's Spider-Man $0.35 Downpour 2013 Core Set $0.35 Sharae of Numbing Depths Wilds of Eldraine $0.35 Hithlain Knots The Lord of the Rings: Tales of Middle-earth $0.99 Hylda's Crown of Winter Wilds of Eldraine $0.79 Dreamshackle Geist Innistrad: Crimson Vow $0.35 Feeling of Dread Innistrad $0.99 You See a Guard Approach Adventures in the Forgotten Realms 0 results found

In total, there are 25 different cards with backup, and one card that names the keyword without actually having it