26level cap
This is around 3 badges — Plain (Whitney, Goldenrod) in the story — that page lists everything you can have caught by this point.
Types on this team: Ghost ×4FirePoisonPsychic
| Pokémon | Moves | |
|---|---|---|
 | Misdreavus Lv 24 · Levitate | Astonish Confuse Ray Icy Wind Curse |
 | Mismagius Lv 23 · Levitate | Confuse Ray Ominous Wind Magical Leaf Psywave |
 | Gengar Lv 26 · Levitate · Pamtre Berry | Perish Song Shadow Ball Mean Look Sucker Punch |
 | Marowak (Alola) Lv 24 · Rock Head / Lightningrod | Flame Wheel Will-O-Wisp Bonemerang Shadow Ball |