Just by having Liliana, Dreadhorde General on the board, a player gets the ability to draw a card whenever a creature they control dies
Fronted by the usual Dark Magician and Blue-Eyes White Dragon, these decks contain several worthwhile additions to the collection
He has the only other collection like this from what I have researched

| CDP: Gold Pride Dinosaurs with True King Lithosagym Gorgonic: Game Mechanics: Xyz Attribute : DARK Type: Rock Key Card: Gorgonic Guardian Feature: CDP: Magnet Warrior Triamid Attraction Gouki: Game Mechanics: Link, Counter, Battle Attribute : EARTH Type: Warrior Key Card: Gouki Re-Match Feature: CDP: Galvanized Gouki Goyo: Game Mechanics: Synchro, Fusion Attribute : EARTH Type: Warrior Key Card: Goyo Emperor Feature: CDP: Goyo Synchron Miracle Synchro Fusion Gravekeeper: Game Mechanics: Fusion, GY Lockdown, Field, Continuous Spell Attribute : DARK, EARTH Type: Spellcaster Key Card: Necrovalley Feature: CDP: Gravekeepers Superheavy Samurai with Master of Ham | CDS: Modernized Gravekeeper Graydle: Game Mechanics: Synchro, Destruction, Equip, Take Control Attribute : WATER Type: Aqua Key Card: Graydle Impact Feature: CDP: Graydle Vampire Kaiju Mulcharmy | CDSS3, Group A: True Graydle Slime | CDS: True Slime Monsters Guardian: Game Mechanics: Historically Equip, Very Bad Attribute : Varied Type: Varied Key Card: Guardian Chimera Feature: CDP: Scrap Cyber, with the Guardian of the Fusion Recycling Plant Guardragon: Game Mechanics: Link, Normal Monster, Lore Attribute : DARK, Varied Type: Dragon Key Card: Guardragon Pisty Feature: CDP: World Legacy Orcust T.G

References to the Millenium Puzzle are also present in the various golden details, from the dubraes to the packaging itself.
Those are definitely transparent such that all the designer needs to do is place them over the card and itll always look fine