Since Proft isn't going to do that willingly, you'd expect a master of mind magics like Jace to have to subdue the detective with mental powers
This can be done over multiple turns, which fits perfectly with the deck's slow value game plan
Working on a rare/mythic only version I generally update it every 3-6 months, whenever I have time between work, life and other projects
That said, now that UW Caw-Gates won the event, I might consider running one Essence Scatter in the 75, since Skred has virtually no answer to Guardian of the Guildpact
Black excels with spells like Sign in Blood, Read the Bones, and Nights Whisper that trade a little life for a lot of cards
Even as a mid-game play, as long as you can pay the 2 + one red mana cost, it will cause problems for your opponent