It should be noted that within the Japanese booster packs, there were several rares to find with a Pok Ball pattern or a rare Master Ball pattern, however, these cards will not be included in the English set
Cards are essentially this games equivalent to Magic: The Gatherings Mana, Pokemons Energy cards, Disney Lorcanas Ink and Achromas Shards
Use whatever method appeals to you most
Marchesa is much better at providing value on her own compared to other options, but Marchesa will always reset your Primal Odin to zero
Hitting tokens is particularly good, since it can be blinked with Yorion or bounced and replayed with Teferi, Time Raveler
With mana burn gone from the game though, this downside on the card is no longer relevant