The color alignments, names and mechanics remain the same regardless of if the character is their original or Shattered Glass incarnation, with unfortunate side effects such as that the art of Shattered Glass Optimus Prime is still labeled as a "hero", while being depicted about to execute a helpless Decepticon
Yes, the life of the surviving creature heals at the end of the turn
The Planar Chaos design team of Bill Rose, Mark Rosewater, Matt Place and myself were sitting in a room, and the first order of business was figuring out what "alternate reality" means to Magic
The first ability, which gives you a nice +1, is going to draw one to three creature cards regularly
So we may as well get to the ranking right away
There are a few fringe scenarios where you might want to intentionally cast a second legend after attacking with the first copy, just in case you need the blocker