celestial storm booster box Pokémon – The Awesome Card Shop card Evolution pack (which contains 1 of 4 exclusive foil promo cards) and 4 booster packs from Sun Pokemon Sun & Moon: Celestial

Mutational Advantage being a thematic protection spell is incredible because you get so much more out of this than you would a measly Heroic Intervention

This is because the main material of a card, over time: Exfoliates

At least these can be opened in a booster, though it seems they are not available in foil

While the low HP Pikachu cards usually do not have much of an impact on the format, the ex version does, and Pikachu ex is an integral part of one of the best decks of the current format because it is incredibly difficult to knock out, and it can deal 300 damage consistently when paired with cards like Crispin and Sparkling Crystal

these cards are confirmed for the Japanese version only