65level cap
Tate & Liza (Rematch 4) fields 6 Pokémon between level 63 and level 65 in Mossdeep City Gym.
This is around Beat the Elite Four and Champion Steven in the story — that page lists everything you can have caught by this point.
Types on this team: Psychic ×6Rock ×2FlyingGroundWater
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Hypno Lv 63 Psychic | Ability Insomnia | Hypnosis Dream Eater Headbutt Protect | HP85Attack73Defense70Sp. Atk73Sp. Def115Speed67Total483 |
 | Claydol Lv 64 GroundPsychic | Ability Levitate | Earthquake Explosion Psychic Light Screen | HP60Attack70Defense105Sp. Atk70Sp. Def120Speed75Total500 |
 | Slowking Lv 63 WaterPsychic | Ability Oblivious | Yawn Psychic Calm Mind Protect | HP95Attack75Defense80Sp. Atk100Sp. Def110Speed30Total490 |
 | Xatu Lv 64 PsychicFlying | Ability Synchronize Held item Chesto Berry | Psychic Rest Confuse Ray Calm Mind | HP65Attack75Defense70Sp. Atk95Sp. Def70Speed95Total470 |
 | Lunatone Lv 65 RockPsychic | Ability Levitate Held item Chesto Berry | Earthquake Psychic Rest Calm Mind | HP90Attack55Defense65Sp. Atk95Sp. Def85Speed70Total460 |
 | Solrock Lv 65 RockPsychic | Ability Levitate Held item Sitrus Berry | Sunny Day Solar Beam Psychic Flamethrower | HP90Attack95Defense85Sp. Atk55Sp. Def65Speed70Total460 |
How to beat this team
Shared weaknesses. Dark hits 6 of 6, Ghost hits 6 of 6, Bug hits 5 of 6, Grass hits 4 of 6.
Level to be ready for. Lv 65 — Lunatone, the highest on the team.
Dark Pokémon you can have caught by this point. From this guide’s own encounter tables, by Beat the Elite Four and Champion Steven: