Sirfetch’d @ Sirfetch’dite  
Ability: Scrappy  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
IVs: 0 SpA  
- Close Combat  
- Detect  
- Play Rough  
- Grassy Glide

Unown
Move options:
- offensive: Brave Bird, Throat Chop, Knock Off
- supportive: Feint, Swords Dance, Helping Hand, Quick Guard

Unown
Offensive calcs:
- 252 Atk Sirfetch'd Close Combat vs. 252 HP / 0 Def Mega Dhelmise: 188-224 (106.2 - 126.5%) -- guaranteed OHKO
- 252 Atk Mega Sirfetch'd Play Rough vs. 0 HP / 0 Def Urshifu-Rapid Strike: 176-210 (100.5 - 120%) -- guaranteed OHKO
- 252 Atk Mega Sirfetch'd Close Combat vs. 252 HP / 0 Def Mega Empoleon: 228-270 (119.3 - 141.3%) -- guaranteed OHKO
- 252 Atk Mega Sirfetch'd Close Combat vs. 252 HP / 0 Def Mega Walrein: 254-302 (117 - 139.1%) -- guaranteed OHKO

Unown
Useful partners:
- Grassy Glide user: Rillaboom, Lurantis, Tsareena
- Ground weak Pokémon: Nihilego, Incineroar, Metagross, Heatran, Naganadel
- others: Kartana

Sirfetch’d @ Sirfetch’dite  
Ability: Scrappy  
Level: 50  
EVs: 252 HP / 180 Atk / 4 Def / 52 SpD / 20 Spe  
Adamant Nature  
IVs: 0 SpA  
- Close Combat  
- Detect  
- Play Rough  
- Grassy Glide

Unown
Move options:
- offensive: Brave Bird, Throat Chop, Knock Off
- supportive: Feint, Swords Dance, Helping Hand, Quick Guard

Unown
Offensive calcs:
- 180+ Atk Sirfetch'd Close Combat vs. 252 HP / 0 Def Aegislash-Shield: 168-198 (100.5 - 118.5%) -- guaranteed OHKO
- 180+ Atk Mega Sirfetch'd Play Rough vs. 0 HP / 0 Def Urshifu-Rapid Strike: 186-218 (106.2 - 124.5%) -- guaranteed OHKO
- 180+ Atk Mega Sirfetch'd Grassy Glide vs. 252 HP / 60 Def Tapu Fini in Grassy Terrain: 104-124 (58.7 - 70%) -- guaranteed 2HKO after Grassy Terrain recovery
Defensive calcs:
- 252 SpA Nihilego Sludge Bomb vs. 252 HP / 52 SpD Mega Sirfetch'd: 140-168 (82.8 - 99.4%) -- guaranteed 2HKO

Unown
Useful partners:
- Grassy Glide user: Rillaboom, Lurantis, Tsareena
- Ground weak Pokémon: Nihilego, Incineroar, Metagross, Heatran, Naganadel
- others: Kartana