I love the fact that one of her core tricks is to give your opponent Fast and that confers bonuses to her own crew. So your opponent gets more AP to play with but are going to die more quickly.
Really makes me feel like the idea behind her is, "Live Fast, Die Young."
In regards to the Bury mechanic being NPE, I think your opponent is only going to have 1 model buried most of the time and that's not unreasonable. The trick is going to be juggling what you're burying and unburying.
Death Marshals need to be in 1" range to Pine Box so you're looking at turn 3+ and as others have said it's not impossible to avoid being boxed.