Being a colorless artifact also helps a lot since you can put it into any deck regardless of color identity
Plus, it'll all be available in a single, easy-to-download .zip file

For other cards to use in chain with this, consider Accumulated Fortune and Chain Strike Deck 2: Kozuki Anna Style Railway Deck 3 Night Express Knight 3 Super Express Bullet Train 3 Heavy Freight Train Derricrane 2 Snow Plow Hustle Rustle 3 Ruffian Railcar 3 Flying Pegasus Railroad Stampede 2 Express Train Trolley Olley 2 Construction Train Signal Red 2 Special Schedule 3 Urgent Schedule 3 Revolving Switchyard 1 Train Connection 3 Concentrating Current 2 Pot of Extravagance 1 Terraforming 1 Harpies Feather Duster 1 Xyz Reborn 2 Barrage Blast 3 Superdreadnought Rail Cannon Juggernaut Liebe 3 Superdreadnought Rail Cannon Gustav Max 3 Number 81: Superdreadnought Rail Cannon Super Dora 1 Skypalace Gangaridai 2 Number 27: Dreadnought Dreadnoid 1 Negalogia AA-Zeus 2 Double Headed Anger Knuckle Summary Notes: Utilize Revolving Switchyard and Night Express Knight to assemble Level 4 and 10 Monsters, allowing you to Special Summon powerful Rank 10 Xyz Monsters such as Superdreadnought Rail Cannon Gustav Max

The elemental effects are Fire, Water, Ice, Wind, Thunder, Machine, and Darkness ()
The "Archnemeses" are played in decks which can easily fulfill their Type/Attribute and field/GY setup requirements, and/or benefits from having banished cards, to provide extra boss monsters
Color White Cost 0 Card Text 1 [Effect] While you have a Digimon with [Armor Form] in its traits in play, you may use this card without meeting its color requirements