Vs Skarmory
(likely knocked off)
SD on the switch, taunt as it tries to iron defense
+2 252 Atk Huge Power Mawile-Mega Thunder Punch vs. 248 HP / 164+ Def Skarmory: 340-400 (102.1 - 120.1%) -- guaranteed OHKO
Vs Quagsire
One play rough prediction on the switch away from getting koed
+2 252 Atk Huge Power Mawile-Mega Play Rough vs. 252 HP / 252+ Def Unaware Quagsire: 204-240 (51.7 - 60.9%) -- 94.1% chance to 2HKO after Leftovers recovery
Vs Clefable
Flamethower doesn't KO back :)
+2 252 Atk Huge Power Mawile-Mega Play Rough vs. 252 HP / 252+ Def Unaware Clefable: 222-262 (56.3 - 66.4%) -- guaranteed 2HKO after Leftovers recovery
4 SpA Clefable Flamethrower vs. 68 HP / 0 SpD Mawile-Mega: 130-154 (50.3 - 59.6%) -- guaranteed 2HKO
Vs fat waters
OR
/
OR
+2 252 Atk Huge Power Mawile-Mega Thunder Punch vs. 252 HP / 252+ Def Toxapex: 300-354 (98.6 - 116.4%) -- 93.8% chance to OHKO
+2 252 Atk Huge Power Mawile-Mega Thunder Punch vs. 40 HP / 216+ Def Alomomola: 484-570 (100.6 - 118.5%) -- guaranteed OHKO
Vs Chansey
Don't worry you still have enough power to threaten chansey, at least 11/16 of the times anyways(stealth rocks gurantees kills) :)
+2 252 Atk Huge Power Mawile-Mega Play Rough vs. 248 HP / 252+ Def Eviolite Chansey: 670-789 (95.3 - 112.2%) -- 68.8% chance to OHKO
Also yes i know jolly mega maw sounds like a joke but cmon you beat something that usually you need to predict absolutely correctly to do so otherwise.