While those calcs are good and true, you forget what makes shuckle the best trick room abuser ever: Contrary!
Oh No! It's Shuckle! (Shuckle) @ Life Orb / Focus Sash
Ability: Contrary
EVs: 252 Atk / 252 Hp / 4 Def
Brave (0 iv speed)
- Superpower
- Earthquake
- Stone Edge
- U-turn
Using Mega-Manectric...
+1 252+ Atk Shuckle Earthquake vs. 252 HP / 252+ Def Mega Manectric: 328-386 (69.1 - 81.4%) -- guaranteed 2HKO
+1 252+ Atk Shuckle Stone Edge vs. 252 HP / 252+ Def Mega Manectric: 246-289 (51.8 - 60.9%) -- guaranteed 2HKO
+1 252+ Atk Shuckle Superpower vs. 252 HP / 252+ Def Mega Manectric: 196-231 (41.3 - 48.7%) -- guaranteed 3HKO
+1 252+ Atk Shuckle U-turn vs. 252 HP / 252+ Def Mega Manectric: 171-202 (36 - 42.6%) -- guaranteed 3HKO
And If you can get a Superpower off (and priority is removed)
+2 252+ Atk Shuckle Earthquake vs. 252 HP / 252+ Def Mega Manectric: 434-512 (91.5 - 108%) -- guaranteed OHKO after Stealth Rock
+2 252+ Atk Shuckle Stone Edge vs. 252 HP / 252+ Def Mega Manectric: 325-384 (68.5 - 81%) -- guaranteed 2HKO after Stealth Rock
+2 252+ Atk Shuckle Superpower vs. 252 HP / 252+ Def Mega Manectric: 260-307 (54.8 - 64.7%) -- guaranteed 2HKO after Stealth Rock
+2 252+ Atk Shuckle U-turn vs. 252 HP / 252+ Def Mega Manectric: 229-270 (48.3 - 56.9%) -- guaranteed 2HKO after Stealth Rock
So Trick Room is a win condition with Shuckle?
