Pocahontas - Peacekeeper boosts lore gained when one of your characters quests
, : Each opponent mills cards equal to the number of cards in their hand
Plaguecrafter can do a similar trick with other creatures, making your opponent lose a card and sacrificing itself
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
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 reason why its so low on the list is because of how difficult it is to build a control deck around it