Speaker cable recommendations with Magnepan .7s

I’ve done several upgrades to my setup. I’m now trying to catch up my cables. I’m interested in finding speaker cables that will be well suited to my system. I would like to spend under $200 and prefer to buy used.

I have read that anti-cables or mapleshades are often recommended. That’s all I know.
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Magnepan .7
Rythmik F12 Sub
Don Sachs SP12 tube preamp
Van Alstine Fet Valve 600r hybrid amp
IFI Micro iDSD Black Label USB DAC
Bluesound Node 1 streamer
Blue Jeans Cable interconnects
Tidal