Shitty evolution ideas

Move-related:

1. Trade with a specific move.
2. Trade with a specific move+max happiness, specific item, against specific Pokémon.
3. Use evolution stone after learning a specific move.

Happiness-related:

1. Level up with max happiness while knowing a specific move holding a specific item, having a specific Pokémon.
2. Level-up with max happiness on a different specific Pokémon in the party.
3. Use Evolution stone after max happiness.

Party-related.

1. Level up with specific party member with specific move.
2. Level up with specific party member with specific held item.
3. Level up with specific party member that has max happiness.
4. Level up with specific party member at specific time period.
5. Use Evolution stone after having specific party Pokémon.

Hold-item related:

1. Level up with specific item with special party member.
2. Level up with specific item with max happiness.
3. Level up with specific item at specific time period.
4. Use Evolution stone while holding specific item.

Time related:

1. Evolution in a specific season.

Region related:

1. Evolution during specific field effect.

Others:

1. Level-up after beating specific opponent.