His ability to hit cards in hand is not all that big of a deal, the decks with big late game hand sizes will have all sorts of outs and counterplay to a seven mana sorcery speed card
The ability to have this on board and waiting cant be understated, particularly in Morph decks, but the ability to take and recast that spell for free is truly the icing on the cake
Adeline, Resplendent Cathar has enjoyed a steady price for some time now, which wasnt even dampened much by her reprint in March of the Machines Commander decks
Here's how the time shifts if a creature or spell isn't specifically changing the time of day: When it's daytime: if a player plays no spells during their turn, it becomes night next turn When it's nighttime: if a player casts at least two spells during their turn, it becomes day next turn It's a cool way of realizing the werewolf fantasy but keeping track of this while playing in paper will be a challenge
So where can we keep the power, but make it fit better strategically