See when I thought they were bringing modifiers to horde I thought it would be a custom set up type of deal, not a forced pairing, and yeah some of these challenges can play out super boring, or piss poor, not to mention not everyone has time to work through and figure out the daily map, I think they should have more balanced modifiers and a weekly map with 6 earnable extra gold cards, 2 for each successful playthrough alongside whatever other cards you get. But this daily for people without the time on their hands which is me a lot of the time too, just dont have time to mess with it. I hope they come out with a better one that you can enjoy!
Happy hunting!