#9: Zevlor, Elturel Exile There was a big fuss that Zevlor got Day 0 errata, adding the word only
Unfortunately, while collectors typically only have to seek out maybe 10-15 big cards from a set, if that, with White Flare & Black Bolt offering an alternate full-art illustration card for every Gen 5 Pokmon, that's over 150 Secret Rare cards in one set to collect
Espeon Gold Star (POP Series 5) Estimated value: 15,00035,000+ The Espeon Gold Star is one of the rarest and most desirable Gold Star cards, helped by the massive popularity of Eeveelutions
Its obscenely powerful and an elegant flavor win
Each Leader Card also comes in a rarer Alternate Art version, usually found as parallel or special rarity cards in the sets
MTGA does have lots of conditional tutors (including several in the ranking) that get a specific card type or subtype of cards like Solve the Equation