Think of it like a wordy mana dork that makes casting your most expensive spells easier, and you can always transform it back for a little more card selection
Together, they create a playstyle that rewards patience and timing
I play: Demonic Consultation, naming Cabal Ritual (Storm 6). There is a Cabal Ritual in my top six cards, and then there is another 24 cards down. That leaves 22 cards in my deck. Incidentally, the two remaining Dark Rituals got removed from game. I know that there is a Yawgmoths Will, Black Lotus, and two Cabal Rituals in those 22 cards
This makes the changelings better and means we can expect more card advantage coming through our attacks
Finally, always store your most valuable graded cards using reliable binders for Pokmon cards or dedicated storage boxes, as careful handling makes you look like a pro seller and can even net you some repeat customers
But also because this is Pikachus first foray into the new ex-era