Omg, I made an Eeveelution Team months ago for no random reason at all, but now is the perfect time to use it! I spent a good hour on it, and it covers every single type, (except Electric) and can cover each other’s weakness’s. (Except Electric.) So Here is the Poképast link. (Note: even though the title says Gen 8, it can be Gen 6 onwards with a few tweaks to moves.)
Leafeon (M) @ Life Orb
Ability: Chlorophyll
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Sunny Day
- Leaf Blade
- X-Scissor
- Leech Seed
Flareon (M) @ Toxic Orb
Ability: Guts
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Fire Fang
- Superpower
- Facade
- Curse
Vaporeon (M) @ Damp Rock
Ability: Hydration
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Rain Dance
- Scald
- Ice Beam
- Substitute
Espeon (F) @ Life Orb
Ability: Magic Bounce
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Psychic
- Dazzling Gleam
- Shadow Ball
Glaceon (F)
Ability: Snow Cloak
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Hail
- Ice Beam
- Shadow Ball
- Heal Bell
Sylveon (F) @ Choice Specs
Ability: Pixilate
EVs: 252 HP / 4 Def / 252 SpA
Modest Nature
IVs: 0 Atk
- Shadow Ball
- Hyper Voice
- Mystical Fire
- Psyshock
Notes: They all cover each other’s weakness’s, except Vaporeon’s to electric, because the only ground moves they can learn is Mud-Slap, which is terrible, or Dig, which can only be learned in previous generations. They can also cover every type, and while Flareon might seem like a bad choice, it all comes together in the team.
Hope I helped!