Seeing that I play Trick Room almost exclusively, I have a couple of dedicated TR-leads.
Molk's Smeargle:
Smeargle (F) @ Focus Sash
Trait: Own Tempo
EVs:
Hardy Nature
- Trick Room
- Endeavor
- Dragon Rage
- Spore
Lvl 1, of course. First turn TR, then, if the opponent hit you...