>shell smash
>mixed
BD physical! Electric (bolt strike), fighting (drain punch), and Normal (Espeed) should wrap things up for anything not named kings shield.
+4 252 Atk Light Ball Pikachu Bolt Strike vs. 252 HP / 4 Def Sableye: 934-1101 (307.2 - 362.1%) -- guaranteed OHKO
(934, 946, 957, 967, 979, 990, 1000, 1012, 1023, 1033, 1045, 1056, 1066, 1078, 1089, 1101)
Well nevermind.
Well Unawares can stop it right? Not if it uses different coverage:
252 Atk Light Ball Pikachu Power Whip vs. 252 HP / 252+ Def Quagsire: 488-576 (123.8 - 146.1%) -- guaranteed OHKO
(488, 492, 500, 504, 512, 516, 524, 528, 532, 540, 544, 552, 556, 564, 568, 576)
Ok I found its true counter:
252 Atk Light Ball Pikachu Meteor Mash vs. 252 HP / 252+ Def Unaware Clefable: 202-238 (51.2 - 60.4%) -- 90.6% chance to 2HKO after Leftovers recovery
(202, 204, 206, 208, 210, 214, 216, 218, 220, 222, 226, 228, 230, 232, 234, 238)