R¶
- R - Righteous Justice
- Rabid Horseman
- Radiant Jeral
- Radiant Mirror Force
- Radiant Spirit
- Rafflesia Seduction
- Raging Cloudian
- Raging Earth
- Raging Eria
- Raging Flame Sprite
- Raging Mad Plants
- Rai-Jin
- Rai-Mei
- Raigeki
- Raigeki Break
- Raimei
- Rain of Mercy
- Rain Storm
- Rainbow Dark Dragon
- Rainbow Dragon
- Rainbow Flower
- Rainbow Gravity
- Rainbow Life
- Rainbow Neos
- Rainbow Path
- Rainbow Veil
- Raise Body Heat
- Raiza the Storm Monarch
- Rallis the Star Bird
- Rampaging Rhynos
- Rapid-Fire Magician
- Raptor Wing Strike
- Rare Metal Dragon
- Rare Metalmorph
- Rare Value
- Raregold Armor
- Raviel, Lord of Phantasms
- Ray of Hope
- Ray & Temperature
- Razor Lizard
- Re-Fusion
- Ready for Intercepting
- Really Eternal Rest
- Realm of Light
- Reaper of the Cards
- Reaper on the Nightmare
- Reasoning
- Reborn Zombie
- Reckless Greed
- Reckoned Power
- Recurring Nightmare
- Recycle
- Recycling Batteries
- Red Archery Girl
- Red Dragon Archfiend
- Red Dragon Archfiend/Assault Mode
- Red-Eyes Black Dragon
- Red-Eyes Black Metal Dragon
- Red-Eyes Darkness Dragon
- Red-Eyes Darkness Metal Dragon
- Red-Eyes Wyvern
- Red-Eyes Zombie Dragon
- Red Gadget
- Red Medicine
- Red Ogre
- Reflect Bounder
- Regenerating Mummy
- Regenerating Rose
- Regretful Rebirth
- Regulus
- Reign-Beaux, Overlord of Dark World
- Reinforce Truth
- Reinforced Human Psychic Borg
- Reinforcement of the Army
- Reinforcements
- Rekindling
- Release from Stone
- Release Restraint
- Release Restraint Wave
- Relieve Monster
- Relinquished
- Relinquished Spider
- Reload
- Remote Revenge
- Remove Brainwashing
- Remove Trap
- Renge, Gatekeeper of Dark World
- Reptilianne Gardna
- Reptilianne Gorgon
- Reptilianne Hydra
- Reptilianne Medusa
- Reptilianne Naga
- Reptilianne Poison
- Reptilianne Rage
- Reptilianne Scylla
- Reptilianne Servant
- Reptilianne Spawn
- Reptilianne Vaskii
- Reptilianne Viper
- Rescue Cat
- Rescueroid
- Reshef the Dark Being
- Respect Play
- Return from the Different Dimension
- Return of the Doomed
- Return of the Six Samurai
- Return Soul
- Return Zombie
- Reversal of Fate
- Reversal Quiz
- Reverse of Neos
- Reverse Trap
- Revival Gift
- Revival Jam
- Revival of Dokurorider
- Revival of the Immortals
- Revived King Ha Des
- Revoke Fusion
- Ribbon of Rebirth
- Right Arm of the Forbidden One
- Right Leg of the Forbidden One
- Rigorous Reaver
- Ring of Defense
- Ring Of Destruction
- Ring of Magnetism
- Rinyan, Lightsworn Rogue
- Riryoku
- Riryoku Field
- Rise of the Snake Deity
- Rising Air Current
- Rising Energy
- Rite of Spirit
- Ritual Buster
- Ritual Cage
- Ritual Foregone
- Ritual of Destruction
- Ritual of Grace
- Ritual Raven
- Ritual Sealing
- Ritual Weapon
- Rivalry of Warlords
- Road Synchron
- Road Warrior
- Roar of the Earthbound Immortal
- Roaring Ocean Snake
- Robbin’ Goblin
- Robbin’ Zombie
- Robolady
- Robotic Knight
- Roboyarou
- Roc from the Valley of Haze
- Rock Bombardment
- Rock Ogre Grotto #1
- Rocket Jumper
- Rocket Pilder
- Rocket Warrior
- Rockstone Warrior
- Rod of Silence - Kay’est
- Rod of the Mind’s Eye
- Rogue Doll
- Roll Out!
- Root Water
- Rope of Life
- Rose Bud
- Rose Fairy
- Rose Tentacles
- Rose, Warrior of Revenge
- Roulette Barrel
- Royal Command
- Royal Decree
- Royal Firestorm Guards
- Royal Keeper
- Royal Knight
- Royal Magical Library
- Royal Oppression
- Royal Surrender
- Royal Swamp Eel
- Royal Tribute
- Royal Writ of Taxation
- Rude Kaiser
- Ruin, Queen of Oblivion
- Rush Recklessly
- Ruthless Denial
- Ryko, Lightsworn Hunter
- Ryu-Kishin
- Ryu-Kishin Clown
- Ryu-Kishin Powered
- Ryu Kokki
- Ryu-Ran
- Ryu Senshi