So weird, in fact, that theyve been banned in every format
So long as you keep cards that can remove damage from these characters on standby (like Dinglehopper, Hakuna Matata, or Cinderella, Gentle and Kind) you should be able to keep the gravy train rolling until victory is yours
Getting 2/2s simply for playing Magic is a strong ability on its own, and opens up options for mana ramp, Voltron (making 1 creature super strong through powerups), Curses like Curse of Opulence for table politicking, and several other cool, unique effects that Auras can bring to the table as you build a token army
Custom made
If they play one, thats fine, but that one had better be Elixir of Immortality, because otherwise I can use Kolaghans command to make her discard Elixir
Collector Ouphe can even shut down entire decks if they have heavy artifact themes to them