65level cap
Champion (your rival) (Vaporeon) fields 6 Pokémon between level 59 and level 65 in Pokémon League.
This is around Earth Badge — Victory Road and the Pokémon League in the story — that page lists everything you can have caught by this point.
Types on this team: Psychic ×2ElectricFireGrassGroundSteelWater
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Sandslash Lv 61 Ground | Earthquake Slash Poison Sting Fury Swipes | HP75Attack100Defense110Sp. Atk45Sp. Def55Speed65Total450 | |
 | Exeggutor Lv 61 GrassPsychic | Leech Seed Hypnosis Psychic Barrage | HP95Attack95Defense85Sp. Atk125Sp. Def75Speed55Total530 | |
 | Alakazam Lv 59 Psychic | Psychic Reflect Kinesis Recover | HP55Attack50Defense45Sp. Atk135Sp. Def95Speed120Total500 | |
 | Magneton Lv 63 ElectricSteel | Thunderbolt Thunder Wave Screech Flash Cannon | HP50Attack60Defense95Sp. Atk120Sp. Def70Speed70Total465 | |
 | Ninetales Lv 61 Fire | Flamethrower Will-O-Wisp Confuse Ray Roar | HP73Attack76Defense75Sp. Atk81Sp. Def100Speed100Total505 | |
 | Vaporeon Lv 65 Water | Held item Sitrus Berry | Hydro Pump Ice Beam Mist Haze | HP130Attack65Defense60Sp. Atk110Sp. Def95Speed65Total525 |
How to beat this team
Shared weaknesses. Bug hits 2 of 6, Dark hits 2 of 6, Fire hits 2 of 6, Ghost hits 2 of 6.
Level to be ready for. Lv 65 — Vaporeon, the highest on the team.
Bug Pokémon you can have caught by this point. From this guide’s own encounter tables, by Earth Badge — Victory Road and the Pokémon League: