+2 252 SpA Mismagius Stored Power (140 BP) vs. 252 HP / 252+ SpD Toxapex: 352-416 (115.7 - 136.8%) -- guaranteed OHKO
+2 252 SpA Mismagius Hidden Power Fire vs. 252 HP / 232+ SpD Ferrothorn: 356-420 (101.1 - 119.3%) -- guaranteed OHKO
+2 252 SpA Mismagius Hidden Power Fire vs. 0 HP / 4 SpD Bisharp: 360-424 (132.8 - 156.4%) -- guaranteed OHKO
+2 252 SpA Mismagius Stored Power (140 BP) vs. 252 HP / 176 SpD Hippowdon: 330-389 (78.5 - 92.6%) -- guaranteed 2HKO after Leftovers recovery
Mismagius -> Polteageist.
The tea has bad phys def, but it's special is good enough it could set up on special attackers. Could be useful, but Sucker Punch and other priority will be common in the early meta, which will put a cap on it's sweeping potential. But that's what Baton Pass is for, hey?