As a direct point of comparison, this exact Marnie card appears in English's Sword & Shield Base Set, but only commands a fraction of her Japanese value, settling at around $30
If you paid Cleaver Blow's multicleave cost, that spell doesn't have any of the text in the chosen set (or sets, as appropriate) of square brackets while it's on the stack
Don't forget, though, that you can always build a winning deck without spending any money, and no game-determining aspects are locked behind a paywall, so all of this Premium content is totally optional
It's time to take a look at the most expensive Pokmon cards to pull from Stellar Crown
With Lost Origin being based around the Lost Zone mechanic, this is the engine that makes it work