This is actually working for me. Momentum resets to 2 when burned, which drops 50/50 odds to 15%, sure, but getting a "no" to a question isn't the anti-improv/hard stop I thought it'd be.
Ishmael, The Transition will be Live
Sitting at my computer for eight hours brainstorming the greatest Ironsworn/Mythic GME homebrew of all time. Finally I reach out and type "Chaos Factor = Momentum?"