Jace x Clary (OS rated T): Slowly Losing My Mind by kitotterkat
Jace x Clary (OS rated T): Battles by kitotterkat
Those two are kinda patner stories, so if you enjoyed one, check out the other! I think they're both incredibly sweet!
Magnus x Alec (OS rated M): Twisted fates by DisturbingEmily
This was a sad one, kinda not even fitting into the whole universe, but I liked the style a lot.
(I'll be updating this when I find something new worth mentioning)