Indeedee-F (F) @ Focus Sash  
Ability: Psychic Surge  
Level: 50  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Expanding Force  
- Follow Me  
- Helping Hand  
- Protect

Unown
Option:
- supportive: Heal Pulse, Safeguard, Reflect, Light Screen
- item: Colbur Berry, Psychic Seed, Sitrus Berry

Unown
Defensive calc:
- 252+ Atk Landorus-T Earthquake vs. 252 HP / 252+ Def Indeedee-F: 72-85 (40.6 - 48%) -- guaranteed 3HKO

Unown
Useful partners:
- Psychic Terrain abuser: Mega Meowstic-F, Mega Golduck, Mega Slowking, Mega Alakazam
- others: Mega Orbeetle, Snorlax, Glastrier