MWD is the only thing I found to finish Serp Extraveganza in a timely manner with all those sensor dampers with a mach. Let it cycle 2-5 times to approach each group of ships then turn it off, and just coast while ripping them up with 800mm autos. Artty wasn't to reliable, even with 100km lock range if one of them got to close it ends up being an annoying fight to relock the same targets, then when more then 1 damp I would have 15km lock range

(didn't work to well with a Maelstrom or Tempest sniper, so I gave up on artillery)