Your outlaws gaining first strike makes them a much more potent threat in combat, and given the number of crimes you can commit here, At Knifepoint will build you up a huge crowd of beneficial token Creatures
Pairing it with something likeUltron, Artificial Malevolence, which lets you copy artifacts by paying two mana and turning them into creatures, could get out of hand quickly
And if you havent heard, theres a small (less than 0.0001%) chance of opening the only copy of a card in MTGs existence, so well surely talk about that
As with most sets, board wipes are very strong in Limited, especially when youre falling behind
Its not limited to just casting in conjunction with board wipes, though
I would look to find a home for this card in a deck that doesnt really care about energy, so that it wont sit on top of Harnessed Lightning