What is a good Little Cup moveset for Gastly?

Question

If you have a good competitive moveset for Gastly, post an answer below and upvote the best ones.

Be sure to include full set details in your post, e.g. items, abilities, natures and EVs. Some detail, including the intended game mode for your set, is also appreciated. Access the full list of guidelines here.

Gastly Pokédex and learnset for reference.

Answer 1

Gastly @ Life Orb / Focus Sash
Ability: Levitate
Level: 5
EVs: 196 SpA / 76 SpD / 196 Spe
Timid Nature
IVs: 0 Atk
- Shadow Ball
- Sludge Wave
- Dazzling Gleam
- Destiny Bond

Shadow Ball and Sludge Wave are STAB. Dazzling Gleam is coverage and helps with Gastly's Dark weakness. Destiny Bond can take an opponent out if you're sure you won't survive the next turn.