Hariyama @ Assault Vest
Ability: Thick Fat
EVs: 252 Atk / 60 Def / 180 SpD / 16 Spe
Adamant Nature
- Fake Out
- Close Combat
- Knock Off
- Fire Punch / Ice Punch / Stone Edge / Feint

252 SpA Shaymin-Sky Air Slash vs. 0 HP / 180 SpD Assault Vest Hariyama: 182-216 (42.4 - 50.3%) -- 0.4% chance to 2HKO
252 Atk Tough Claws Aerodactyl-Mega Aerial Ace vs. 0 HP / 60 Def Hariyama: 362-428 (84.3 - 99.7%) -- guaranteed 2HKO
if u want min speed for tr move 16 spe into either defense, doesnt matter a ton

Hariyama @ Flame Orb
Ability: Guts
EVs: 252 Atk / 60 Def / 24 SpD / 172 Spe
Adamant Nature
- Fake Out
- Close Combat
- Knock Off
- Wide Guard / Fire Punch / Ice Punch / Stone Edge / Feint

Hits 358 in tailwind, same Aero calc as above