lorcana shimmering skies rare cards - Chicha (Dedicated Mother) - 146/204 - including 1 foil in every pack 10 Most Valuable Disney Lorcana:

Celes, Rune Knight Celes, Rune Knight gives graveyard decks lots of power

6 Encore Electromancer - Snapcaster Mage - Secret Lair Drop Series Mythic Rare - $729.93 An incredibly rare card, this special Hatsune Miku version of Snapcaster Mage was a bonus card that had a very low chance of coming in Secret Lairs which were released in collaboration with the vocaloid Hatsune Miku

Put it on either the top or the bottom of your deck. This ability works really well when followed by a card draw, which Amethyst is best known for

Its obviously still not competing with Magic: The Gathering's high level of play, but thats a lot of the charm of the Disney TCG