Its not just the Rare card that isnt guaranteed
In particular, ask yourself the following questions when examining a card: Does the Pokemon name specify Dark
8 Feywild Caretaker Feywild Caretaker might have a higher-than-normal casting cost for most Legacy decks, but the tradeoff might just be worth it
Liliana Vess Liliana of the Dark Realms Liliana of the Veil Liliana, Death Mage Liliana, Death Wielder Liliana, Death's Majesty Liliana, Defiant Necromancer Liliana, Dreadhorde General Liliana, Untouched by Death Liliana, Waker of the Dead Liliana, the Last Hope Liliana, the Necromancer Professor Onyx
That being said, I do still have some criteria for the cards I chose
Fast forward a decade or two to 2020 when the collectibles and sports card boom hits, and I begin collecting the cards I never had or could have afforded as a kid