Come on Down to Ponyville and Meet Some Friends of Mine · 3:43am Oct 30th, 2019
For about the last three years, the last line of my story ideas document has held five words. Right at the bottom, at the very end of the 'crossovers' section (I've never written a crossover, and have only enjoyed reading a single one, so you can see just how low-priority they are for me), it says:
Twilight Sparkle in South Park