One set that I love running on weavile is SD Z dig. After an SD it can destroy things that would normally switch in to it just fine, such as pex or melm.
+2 252 Atk Weavile Tectonic Rage (160 BP) vs. 252 HP / 0 Def Melmetal: 482-568 (101.6 - 119.8%) -- guaranteed OHKO
+2 252 Atk Weavile Tectonic Rage (160 BP) vs. 252 HP / 252+ Def Toxapex: 350-414 (115.1 - 136.1%) -- guaranteed OHKO
Magnezone is there of course to trap corv which tends to come in if it is rocky helmet.