This Took a While. Here's a collection idea if you're bored.
Old Tyrannia ---> Rare
Kyrusia ---> Ultra-Rare
Qvait ---> Epic
Neutraligon ---> Epic
Naughty Slave Girls ---> Epic
Otaku Stratus ---> Epic
Zamri1138 ---> Epic
Tenkistan ---> Epic
Corsaria ---> Epic
Sunset ---> Epic
The Centauri ---> Epic
Elejamie ---> Epic
PurDunamis ---> Epic
Escalan Corps-Star Island ---> Epic
Dutchyland ---> Epic
Ral Ixshida ---> Epic
Aurora Islands ---> Epic
Ferrianona ---> Epic
G C Bakura ---> Epic
Tzuland ---> Epic
Kundu ---> Epic
S2 Legendries That Didn't Make it.
Tzo
Northern Borland
Eastern Borland
Uniserve
Great Nepal
Cavallino33
New Good Order
Abacathea
Carrasastova
Eaischpnaeieacgkque Bhcieaghpodsttditf
The Grim Reaper
Caelapes
Kaboomlandia
Nova Hollandia
Territorio di Nessuno
Caracasus
Choistan
Helaw
Holy Oranz
Altmer Dominion
Ramaeus
The Free Joy State
McMasterdonia
Sciongard
Jakker
Grays Harbor
Drasnia (Thanks for catching that.)
The Majority of the Demoted Legendary Cards was only Epic, and the only 2 that fell hard was Old Tyrannia and Kyrusia.
If this gets enough traction I'll do the "Promoted Legendary Cards" Next.