Paladins of Dragons
Yu-Gi-Oh! archetype · 5 cards
Knight of Armor DragonBLVO-EN037 · Blazing Vortex
Paladin of Dark DragonDRL2-EN018 · Dragons of Legend 2 · +1 printing
Paladin of Photon DragonLVAL-EN045 · Legacy of the Valiant
Paladin of Storm DragonCYHO-EN031 · Cybernetic Horizon · +1 printing
Paladin of White DragonMFC-026 · Magician's Force · +4 printings
Archetypes from YGOPRODeck and YAML Yugi (Yugipedia).