okay heres a ru/nu trick room team, i know its not the greatest.
1) parasect
1. armomatherapy
2. spore
3. x-scissor
4. giga drain
2) gallade
1. trick room
2. psycho cut
3. drian punch
3) dusknoir
1. trick room
2. substitute
3. will-o-wisp
4. shadow ball
4) porygon-z
1. trick room
2. tri-attack
3. pain split
4. conversion 2
5) rhyperior
1. rock blast
2. drill run
3. ston edge
4. substitute
6) eletross
1. thunderbolt
2. volt switch
3. subtitute
4. drain punch
This is better off in UU, considering the presence of Rhyperior and Porygon-Z. Check the Smogon tier lists for more.
Parasect is better in rain teams courtesy of Dry Skin. Plus, Giga Drain is very bad on it, considering its bad Special Attack.
Even though Gallade isn't fast to begin with, it doesn't set up Trick Room well compared to things like Slowbro, due to its lack of good support options. Slowbro is a better candidate in that case:
-Trick Room
-Slack Off
-Scald
-Psyshock/Fire Blast
Nature: Relaxed
EVs: 248 HP/216 Def/12 SAtk
Item: Leftovers
Ability: Regenerator
But then again, Gallade sets itself apart from most Trick Room users due to its abiltiy to hit physically rather than specially:
-Trick Room
-Drain Punch/Close Combat
-Zen Headbutt/Psycho Cut/Stone Edge/Ice Punch
-Shadow Sneak/Night Slash
Nature: Brave
EVs: 252 HP/252 Atk/4 SDef
Item: Leftovers
Cofagrigus is a bulkier alternative over Dusknoir because it can also go on the offensive with Nasty Plot. Dusknoir is also better with physical moves since its Attack is way higher than its Special Attack:
Cofagrigus:
-Trick Room
-Nasty Plot
-Shadow Ball
-Hidden Power (Fighting)
Nature: Quiet
EVs: 252 HP/252 SAtk/4 SDef
Item: Leftovers
Porygon-Z is too fast for Trick Room. It also has a very wide movepool to take advantage of, and you're wasting it. Porygon2 is also a better Trick Room setter, due to its enhanced defenses with Eviolite:
-Trick Room
-Ice Beam
-Thunderbolt
-Recover
Nature: Quiet
EVs: 252 HP/252 SAtk/4 SDef
Item: Eviolite
Ability: Trace
Earthquake >>>>>>>>>> Drill Run on Rhyperior:
-Earthquake
-Stone Edge
-Megahorn
-Ice Punch/Rock Blast
Nature: Brave
EVs: 252 HP/252 Atk/4 SDef
Item: Choice Band
Ability: Solid Rock
or
-Stealth Rock
-Earthquake
-Rock Blast/Stone Edge
-Dragon Tail
Nature: Brave
EVs: 252 HP/16 Atk/244 SDef
Item: Leftovers
Ability: Solid Rock
While Eelektross can go mixed, you're wasting away its good movepool as well:
-Thunderbolt
-Flamethrower
-Giga Drain
-Superpower/Hidden Power (Ice)
Nature: Quiet
EVs: 252 HP Atk/252 SAtk/4 SDef
Item: Life Orb/Expert Belt