The alternate commander here, Yuna, is very strong too and with a few tweaks to let you untap her multiple times per turn, she can turn this precon into quite a nasty combo deck
It has been around (and has been good), but I think it may be particularly well positioned given the push towards decks light on removal
Is it a promo or trophy card
Better yet, you can use Spikemuth [Destined Rivals] to proprietarily search for your Marnies Pokmon, which means were often just a Rare Candy [Scarlet and Violet] or Marnies Grimmsnarl ex away from getting out a big attack
code card for Pokmon Trading Card Game Online
It's really hard for me to predict--like most things nowadays, it'll depend on the speed of the format, the number of creature Sagas you include in your deck, and the gameplay itself