Dominaria United is a hugely satisfying return to Magic: The Gatherings founding plane Story, gameplay, cards - they're all here in abundance
If you are playing long grindy games, you can just hold it until you find the spot to kill a creature
Chandra, Fire of Kaladesh / Chandra, Roaring Flame Chandra, Fire of Kaladesh isn't actually that popular prior to this reprint, so I don't think we'll see any positive movement here
Creeping Chill is also less useful against grindy midrange decks, though I would leave it in against control
Storm decks are tricky to build and require a specific collection of cards to function, which is why they only exist in older formats like Legacy and Modern which have the necessary storm cards
An A8 size card has a standard size dimension of 5 by 8 inches, which is one of the smallest sizes in the A series