black and white plasma storm booster box & White: Blast EX and all of Eevees evolutions Black & White: Plasma Storm

Marshadow Illustration Rare, 146/132 Kicking off the list of the most valuable Mega Evolution Pokmon cards is an Illustration Rare variant of Marshadow

However, risks remain

WotC internally calls it the Thalia problem, so with this example, you might have two of the Dark Ascension art, one of the Innistrad: Crimson Vow , and if you wanted the Multiverse Legends one, you'd only need to craft one new rare wildcard to allow four of that style to grace your decks

Luckily, there are actually ways to get around having to spend that much mana

On top of that, it's also a Star Pokmon, meaning you have a Shiny Black Charizard on a black card template for its Dark type