Hades has an effect that also works like Let it Go, sending chosen characters to the Inkwell, while Belle has perhaps the most broken ability of all in this deck once per turn she can actually send one card to the Inkwell
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Regardless, I dont know that now is the time for more than 60 cards, but I do know that as the card pool expands, it gets easier and easier to find more spells of a similar power level, but no other lands are close to the power level of fetchlands, so the incentives to build to maximize the power of our lands over the power of our spells do increase in some way over time, which is to say that, even if its not right now, it could be someday, and getting there first might be the best way to truly break Modern.
Open up this Archazia's Island single-player starter deck and you have everything you need to begin playing Disney Lorcana Trading Card Game by Ravensburger
2023 was tough call