I’m in the same boat. I get so many more cards in Escape compared to Horde but I play more for fun and Horde, I think, is just a lot more fun to play.
I get any cards I “need” via Escape, then play Horde for the actual gameplay.
BTW, if anyone wants to know, I hear all these speed runs on Surge or Clock, but I’ve found you can also speed run Last Stand with certain characters. I’ve done it with Clayton in less than 5 minutes of actual gameplay, and it’s super easy!