all pokemon celebrations promo cards Pokémon TCG: Early Opening: Collector Chest Colorless Artist Pokémon TCG 30th Celebration: Card

It works as a silver bullet against certain strategies: Aggro decks hate it because creatures effectively lose haste, it slows down artifact decks that rely on churning out fast mana and rocks

Any Amethyst deck that focuses on Locations is incomplete without The Queen's Castle - Mirror Chamber

Hopefully players wont have too much trouble getting all 5 promo cards before the Drop event comes to an end

Its not powerful enough to carve out space in high-power or even many synergy Cubes on its own, but it has numbers that will earn it a spot in lower-power Cubes

Breakpoint is simply the very best XY has to offer, and is the best place to start collecting if trying to "break" into the era.