Meowstic-F (F) @ Meowsticite  
Ability: Competitive  
Level: 50  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Expanding Force  
- Nasty Plot  
- Moonblast  
- Protect

Unown
Move options:
- offensive: Dazzling Gleam, Psychic

Unown
Offensive calcs:
- +2 252 SpA Mega Meowstic-F Expanding Force (80 BP) vs. 4 HP / 0 SpD Landorus-T: 168-198 (101.8 - 120%) -- guaranteed OHKO
- +2 252 SpA Fairy Aura Mega Meowstic-F Moonblast vs. 252 HP / 4 SpD Mega Slowking: 201-237 (99.5 - 117.3%) -- 93.8% chance to OHKO
- +2 252 SpA Fairy Aura Mega Meowstic-F Moonblast vs. 252 HP / 0 SpD Glastrier: 202-238 (97.5 - 114.9%) -- 87.5% chance to OHKO
- +2 252 SpA Fairy Aura Mega Meowstic-F Moonblast vs. 0 HP / 0 SpD Mega Empoleon: 81-96 (50.9 - 60.3%) -- guaranteed 2HKO

Unown
Useful partners:
- Psychic Terrain setter: Indeedee, Tapu Lele
- Pokémon to threaten Steel (Aegislash, Mega Dhelmise, Mega Corviknight, Celesteela, etc.): Urshifu-Single Strike, Incineroar, Regieleki, Spectrier