You might be tempted to swap out Kotis for Muldrotha, and there is merit in doing so, but you can always bring Muldrotha back turn after turn with Kotis, and eventually, Kotis will outscale Muldrotha in terms of power once you cast two creatures from your graveyard, and will only keep growing
There are a few ideas that pop into my mind
Because its not just about getting cards
The most notable one is the new Pokmon Legends game, set in a rather unexpected region
Depending on whether these two cards were Shiny Pokmon-GX or other cards, the Shiny Pokmon-GX would make up 70-72% of the cards on the sheet, and should make up approximately that amount of the pulls (though previous experience writing this guide indicates uncertainty tends to be high in this regard)
Unobtainable Autograph The autograph you got from the Vermilion City Gym Leader, Lt