Yu-Gi-Oh! Legacy of the Duelist/Deck Recipes

Dr. Vellian Crowler

 * Unlocked from The Next King of Games in Yu-Gi-Oh! GX Campaign
 * Signature card is "Ancient Gear Golem"

Cathy Katherine

 * Unlocked from Feline Frenzy in Yu-Gi-Oh! ZEXAL Campaign
 * Signature card is "Catnipped Kitty"

Alexis Rhodes

 * Unlocked from A Duel in Love in Yu-Gi-Oh! GX Campaign
 * Signature card is "Cyber Blader"

Nelson Andrews

 * Unlocked from The Sparrow in Yu-Gi-Oh! ZEXAL Campaign
 * Signature card is "D.D. Esper Star Sparrow"

Flip Turner

 * Unlocked from Flipping Out in Yu-Gi-Oh! ZEXAL Campaign
 * Signature card is "Chewbone Jr."

Mai Valentine

 * Unlocked from The Harpie Lady in Yu-Gi-Oh! Campaign
 * Signature card is "Harpie Lady"

Mr. Armstrong

 * Unlocked from The Lockdown Duel in Yu-Gi-Oh! 5D's Campaign
 * Signature card is "Iron Chain Dragon"

Seto Kaiba

 * Unlocked from The Heart of Cards in Yu-Gi-Oh! Campaign
 * Signature card is "Blue-Eyes White Dragon"

Mako Tsunami

 * Unlocked from Attack from the Deep in Yu-Gi-Oh! Campaign
 * Signature card is "The Legendary Fisherman"

Reginald Kastle

 * Unlocked from Go with the Flow in Yu-Gi-Oh! ZEXAL Campaign
 * Signature card is "Number 17: Leviathan Dragon"

Bolt Tanner

 * Unlocked from The Facility in Yu-Gi-Oh! 5D's Campaign
 * Signature card is "Ushi Oni"

Jack Atlas

 * Unlocked from A Blast from the Past in Yu-Gi-Oh! 5D's Campaign
 * Signature card is "Multiple Piece Golem"

Tetsu Trudge

 * Unlocked from Ready, Set, Duel in Yu-Gi-Oh! 5D's Campaign
 * Signature card is "Montage Dragon"

Weevil Underwoood

 * Unlocked from The Ultimate Great Moth in Yu-Gi-Oh! Campaign
 * Signature card is "Cocoon of Evolution"