Any creature destroyed goes to the graveyard, while regenerate only affects creatures on the battlefield
You can essentially discard your hand and draw 6+ cards with ease, and if youre making treasures or other artifact tokens, that could be as many as 10+ cards
They might keep the same name and represent the same character, object, or location, meaning there wouldn't always be a "Universes Within" version
This occurred during Arc-a-thon 2021, a week-long period where we took breaks from our normally scheduled meetings to talk about potential future Magic sets
For example, +1/+1 counters on it will still affect it
Card Set(s) Championship 25-26 Finals Season 1 CARD VIEW ST21-015 | SR | CHARACTER Roronoa Zoro Attribute Slash Block icon 3 Effect [DON