Landorus (M) @ Life Orb  
Ability: Sheer Force  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Earth Power  
- Substitute  
- Sludge Bomb  
- Protect

Unown
Move options:
- offensive: Rock Slide, Hidden Power Ice, Focus Blast

Unown
Offensive calcs:
- 252 SpA Life Orb Sheer Force Landorus Earth Power vs. 252 HP / 4 SpD Mega Dhelmise: 213-252 (120.3 - 142.3%) -- guaranteed OHKO
- 252 SpA Life Orb Sheer Force Landorus Earth Power vs. 252 HP / 4 SpD Aegislash-Shield: 179-213 (107.1 - 127.5%) -- guaranteed OHKO