have you ever drawn up your shootout hand and wondered "what the &^$? How did all my off value cards find their way into this draw hand?" Or the flip side, faced a straight flush from a deck with exactly one way to do all that? Or the cursed double joker legal five of a kind?
Enter Red River Roulette.
as long as you can spare a dude to sit at the table and call out "double or nothing!", you can make some magic happen.
if you can bait someone into a big Siege Of The Orphanage, so much the better.
also spicy if you can inflict a non-casualty removal effect at the same time (Jael's Guile, Coachwhip!, Ricochet, etc)