Impending Flux is another card that, while ostensibly made for the suspend gameplay in these precons, fits right at home in anything from Neyali to Laelia, the Blade Reforged
The Quick Draw deck is classic Izzet spellslinger, giving you rewards for playing loads of instants and sorceries, or even 'storming off', but Stella's ability to copy the third spell you cast each turn is just absurd value
(All prices are correct at the time of writing, but obviously are subject to rapid change.)
I'm putting money on the former, as products are still flying off shelves, even if things seem to be settling a little
Other useful sites are ones like TCGPlayer and TrollAndToad, which act as digital storefronts for game shops and individuals selling cards
Even if the game doesn't want to openly admit it, these two ladies are very, very much into and about one another, which makes total sense considering the meld card here