Getting back other copies of Lumina in the Graveyard is really powerful because you end up with 3-4 Lightsworns on the field at the end of the turn, meaning you're going to be milling a lot and milling is how the deck achieves its goal
And with the More Than Meets the Eye ability, you can bring them out onto the battlefield directly as their alternate non-robot form
The best dark monsters in Yu-Gi-Oh can vary greatly depending on both: Your play style
If this card in its owner's possession is destroyed by an opponent's card: You can target 1 Level 8 or lower DARK Dragon Synchro Monster in your GY
Do not use authentic as a synonym for near mint. Likewise, do not describe a raw card as PSA 10 quality. PSAs published standards describe a 10 as virtually perfect and include centering, corners, focus, gloss and staining considerations, while also acknowledging judgment and eye appeal
Graded Population Report: Miraidon ex #253 Visualize the distrbution of grades in the chart