Taking Offensive Spikes!
Omastar @ Leftovers
Ability: Shell Armor
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Spikes
- Earth Power / Toxic
- Scald
- Ice Beam
This Omastar set functions as an effective Spiker, have a great mu against Salamence and Togekiss while also hitting pretty hard. Earth Power can be swapped to Toxic to better handle Tangrowth and other common switch-ins, really up to you!
Some calcs:
252+ SpA Omastar Ice Beam vs. 248 HP / 8 SpD Salamence: 472-556 (120.1 - 141.4%) -- guaranteed OHKO
252+ SpA Omastar Ice Beam vs. 252 HP / 36 SpD Amoonguss: 228-270 (52.7 - 62.5%) -- guaranteed 2HKO
252+ SpA Omastar Ice Beam vs. 248 HP / 56+ SpD Togekiss: 152-180 (40.7 - 48.2%) -- guaranteed 3HKO
252+ SpA Omastar Earth Power vs. 252 HP / 4 SpD Assault Vest Slowbro-Galar: 176-208 (44.6 - 52.7%) -- 22.3% chance to 2HKO
252 SpA Life Orb Nihilego Sludge Wave vs. 0 HP / 4 SpD Omastar: 133-156 (47.3 - 55.5%) -- 19.9% chance to 2HKO after Leftovers recovery
0 SpA Salamence Hurricane vs. 0 HP / 4 SpD Omastar: 85-101 (30.2 - 35.9%) -- guaranteed 4HKO after Leftovers recovery