As someone who has mostly interacted with Magic as a massive game with millions of players, digital clients, and a whole universe of content producers and websites, it's hard for me to imagine the game dying
If that player doesn't, the player won't shuffle their library
For border extensions, you can make a little O of tape and stick one side to the work surface and the other to the back of the card
While Long.dec above is a pretty perfect example of the kind of Draw-seven deck that has historically been the most common source of turn 1 kills the format was once known for, the most extreme example since the advent of the four-of rule is without question the following Broken LED deck from the 1999 Duelist Team Challenge at Origins
Being able to recur offensive creatures, destructive auras, and defensive enchantments each turn makes for an impossible climb back, and just casting one spell from the graveyard off of Lurrus is going to put your opponent way behind