It takes a little time and effort to learn all of the Gifts piles that should be assembled, and many people seem like they'd rather play something more straightforward
What better way to celebrate coming in the top four in a local tournament than to get an exclusive promo card for the awesome Stitch, Rock Star card
No, but they must be actual dice
The graph would look something like a bell curve, which is where the term "mana curve" comes from
Finally, there's always the chance of opening a card on The List (including Magic -themed versions of cards from Stranger Things x Secret Lair )
I think its a little slow for other formats, as by the time youre casting a 7-mana card, youll likely want it to do more than give you the chance at more mana in the future