Mythic rares are designed to feel special, whether that means a story-important character, a game-changing threat, or a card so powerful that it may just end the game outright if left unanswered
Stacking counters gets out of hand quickly and can easily help to gain you well over 100 life over the course of a game given how many angels have lifelink
We weren't going to do this joke again, but apparently it's required in a contract somewhere
Even more notably, there has been a rise in spells that could just cast themselves from the graveyard, either via something like Flashback or Aftermath, or else have another spell cast them (Halo Forager, for example)
Its the best of both
The holidays are just around the corner, and what better way to celebrate than with Magic: the Gathering holiday promos