X/Y PU Metagame Primer
Composition
PU is Smogon's lowest official usage-based tier. All Pokémon that are not NU or higher by usage and are not banned to Ubers, UUBL, RUBL, NUBL, or PUBL can be used in PU.
A list of the current PU Pokémon and those with PU analyses for the XY era are found on the dex page.
Play Restrictions
- Endless Battle Clause: Players cannot use any moveset on any Pokémon capable of intentionally causing an endless battle. Thus:
- A Pokémon may not carry Recycle and hold a Leppa Berry in conjunction with Heal Pulse and Milk Drink, Moonlight, Morning Sun, Recover, Roost, Slack Off, Soft-Boiled, or Wish.
- A Pokémon may not hold a Leppa Berry while carrying Recycle and Pain Split.
- A Pokémon may not hold a Leppa Berry while carrying Recycle and Fling.
- Evasion Clause: Players cannot use the moves Double Team or Minimize.
- Moody Clause: Players cannot use a Pokémon with the Moody ability.
- OHKO Clause: Players cannot use the moves Fissure, Guillotine, Horn Drill, or Sheer Cold.
- Sleep Clause: Players cannot induce sleep to more than one Pokémon on the opposing team at the same time.
- Species Clause: Players cannot have two Pokémon with the same Pokédex number on the same team.
- Swagger Clause: Players cannot use the move Swagger.
Pokémon Restrictions
Players cannot use Pokémon from the Uber tier, OU, UUBL, UU, RUBL, RU, NUBL, NU, or PUBL.
Ability Restrictions
Players cannot use the following abilities:
Move Restrictions
Players cannot use the following moves:
The PU Forum
Learn
The PU Old Gens + Discussion thread includes resources such as sample teams and viability rankings, and is the hub for ORAS PU-related discussion on the forums.
Participate
The Pokémon Showdown! PU room and PU Discord server are great places to discuss and ask questions regarding the ORAS PU metagame.