victini pokemon card holographic Amazon.com: - 26/236 Weakness / Resistance / Retreat Cost Victini-EX - 24/113 - Rare

Angel of Despair isn't as big of a deal anymore, long-since crushed with power creep due to a massive cost

As for why Prime Catcher is so prized that it can end up in the top ten valuable cards list, its mainly down to the cards effect

Demon of Dark Schemes: [Category 3] Another creature dies, and you get one energy

Especially so when Vein Ripper decks claimed four of the top eight spots, showcasing their dominance

Alternate Win Conditions: Certain cards have unique effects that can immediately win the game under specific conditions

While not explicitly creating an emblem on her first printing, Elspeth, Knight-Errant would retroactively make the first emblem