There are the aforementioned issues with Cube size and pack collation, but even after that, you have cards contested by other archetypes and, ideally, overlapping synergies that make it so the decks are unique from draft to draft otherwise
A generally abysmal era with a few homeruns that are unique to it
But if I can play one Jace's Phantasm and I have in my hand Glimpse the Unthinkable / Breaking - Ruin Crab s that is perfect, I potentially have a 5/5 flying that can attack during turn 2
That said, Nintendo is publishing Pokmon Pokopia, and this does appear to be the first Nintendo-published game offered on a Game-Key Card
In addition to new designs in the main set, you can also find skinned reprints of cards from throughout Magics history in the Through the Ages bonus sheet
Upheaval This board sweeper resets the entire game back to square one for only six mana, which would be problem enough and when you factor in all that mana you floated and are about to recast your mana rocks, its chances only get worse