There have been plenty of alternate win condition cards in Magic: The Gathering before, but they usually take a lot of time and effort to pull out, outside of really cheesy combos
Pocahontas - Peacekeeper boosts lore gained when one of your characters quests
Also, as Wednesdays winner showed, you dont even need cantrips to win with Blue: Im happy to include two copies of Ponder, Preordain, and Brainstorm in my Cube for the foreseeable future
The other is the more blunt option of buying premium currency and spending that on Pack Hourglasses and the like to let you blitz through opening packs faster
Plaguecrafter can do a similar trick with other creatures, making your opponent lose a card and sacrificing itself
, : Each opponent mills cards equal to the number of cards in their hand