Aside from one exception in the Sword & Shield era of the Pokemon TCG (Dark Sylveon V, to be exact), the most recent Dark Pokemon cards at the time of writing are from the early 2000s with the EX Team Rocket Returns expansion set
Seven up, seven down
The only downside is it's absurdly expensive thanks to the Reserved List
The lineup includes characters who had relatively fewer Holo cards, such as Chopper, Brook, Oden, and Kyros
$0.35 Checks and Balances Unglued $0.35 Get a Life Unglued $1.99 Chaos Confetti Unglued $0.99 I'm Rubber, You're Glue Unglued $2.99 Cardboard Carapace Unglued $1.29 Chicken a la King Unglued $0.35 Fowl Play Unglued $1.99 Mirror Mirror Unglued $0.49 Common Courtesy Unglued $0.35 Charm School Unglued $0.35 Prismatic Wardrobe Unglued $0.69 Urza's Contact Lenses Unglued 0 results found
I am only suggesting that when cards are ruled to be banned, limited, or semi-limited, it affects the market value of the card