| Ilios the Black Sun DragonUnlisted Printings | Unlisted Printings | — | — | — |
| Illegal KnightDimension Force · 023 | Dimension Force | 023 | Secret Rare | €0.07 |
| Illusion BalloonsSecrets of Eternity · 053 | Secrets of Eternity | 053 | Common | €0.04 |
| Illusion GateMaze of Muertos · 023 | Maze of Muertos | 023 | Secret Rare | $26.26 |
| Illusionist Faceless MageMetal Raiders · 068 | Metal Raiders | 068 | Common | €0.05 |
| Illusionist Faceless MagicianLegendary Duelists: Ancient Millennium · 002 | Legendary Duelists: Ancient Millennium | 002 | Rare | €0.17 |
| Illusion MagicThe Dark Illusion · 058 | The Dark Illusion | 058 | Rare | €0.11 |
| Illusion of ChaosBattle of Chaos · 034 | Battle of Chaos | 034 | Secret Rare | €0.31 |
| Illusion of the Winter Raven WitchUnlisted Printings | Unlisted Printings | — | — | — |
| Illusory SnatcherReturn of the Duelist · 037 | Return of the Duelist | 037 | Super Rare | €0.08 |
| Ill WitchUnlisted Printings | Unlisted Printings | — | — | — |
| ImairukaReturn of the Duelist · 084 | Return of the Duelist | 084 | Rare | $0.10 |
| Imduk the World Chalice DragonCode of the Duelist · 047 | Code of the Duelist | 047 | Rare | €0.17 |
| I'm Just Gonna Attack!Speed Duel: Battle City Box · 12 | Speed Duel: Battle City Box | 12 | Common | €0.20 |
| Immortal DragonDimension Force · 041 | Dimension Force | 041 | Super Rare | €0.09 |
| Immortal Phoenix GearfriedToon Chaos · 012 | Toon Chaos | 012 | Ultra Rare | $0.47 |
| Immortal RulerRaging Battle · 082 | Raging Battle | 082 | Secret Rare | €0.09 |
| Impcantation BookstoneSoul Fusion · 024 | Soul Fusion | 024 | Common | $0.06 |
| Impcantation CandollCybernetic Horizon · 012 | Cybernetic Horizon | 012 | Rare | $0.11 |
| Impcantation ChalislimeSavage Strike · 032 | Savage Strike | 032 | Rare | $0.08 |
| Impcantation InceptionSavage Strike · 065 | Savage Strike | 065 | Common | €0.18 |
| Impcantation PenciplumeSoul Fusion · 023 | Soul Fusion | 023 | Common | $0.08 |
| Impcantation TalismandraCybernetic Horizon · 013 | Cybernetic Horizon | 013 | Rare | €0.04 |
| Impcantation ThanatosisDark Neostorm · 062 | Dark Neostorm | 062 | Common | €0.07 |
| Impenetrable AttackReturn of the Duelist · 066 | Return of the Duelist | 066 | Common | €0.03 |
| Impenetrable FormationThe Lost Millennium · 048 | The Lost Millennium | 048 | Common | €0.06 |
| Imperial BowerKing's Court · 003 | King's Court | 003 | Ultra Rare | $0.40 |
| Imperial CustomAncient Prophecy · 067 | Ancient Prophecy | 067 | Common | €0.03 |
| Imperial Iron WallZombie World Structure Deck · 032 | Zombie World Structure Deck | 032 | Common | $0.13 |
| Imperial OrderPharaoh's Servant · 104 | Pharaoh's Servant | 104 | Secret Rare | €0.02 |
| Imperial Princess QuinqueryCyberstorm Access · 083 | Cyberstorm Access | 083 | Common | €0.02 |
| Imperial Tombs of NecrovalleyLegacy of the Valiant · 076 | Legacy of the Valiant | 076 | Secret Rare | $0.25 |
| Imperion Magnum the Superconductive BattlebotStructure Deck: Yugi Muto · 041 | Structure Deck: Yugi Muto | 041 | Ultra Rare | $1.90 |
| Imposter ShiftChaos Origins · 088 | Chaos Origins | 088 | Common | €0.02 |
| Imprisoned Queen ArchfiendPhantom Darkness · 032 | Phantom Darkness | 032 | Common | €0.08 |
| Imprudent IntrusionBattle of Chaos · 079 | Battle of Chaos | 079 | Common | €0.07 |
| Imsety, Glory of HorusAge of Overlord · 011 | Age of Overlord | 011 | Secret Rare | $0.21 |
| Inaba White RabbitLegacy of Darkness · 065 | Legacy of Darkness | 065 | Short Print | $0.25 |
| Inari FireCosmo Blazer · 038 | Cosmo Blazer | 038 | Common | €0.06 |
| Incandescent OrdealDark Crisis · 085 | Dark Crisis | 085 | Common | €0.14 |
| Incarnated Machine AngelLegendary Duelists: Sisters of the Rose · 015 | Legendary Duelists: Sisters of the Rose | 015 | Rare | €0.04 |
| Incoming Machine!Rage of the Abyss · 050 | Rage of the Abyss | 050 | Super Rare | €0.21 |
| Incredible Ecclesia, the VirtuousBurst of Destiny · 007 | Burst of Destiny | 007 | Secret Rare | $0.20 |
| Indigo-Eyes Silver DragonStructure Deck: Blue-Eyes White Destiny · 032 | Structure Deck: Blue-Eyes White Destiny | 032 | Ultra Rare | $0.19 |
| Indiora Doom Volt the Cubic EmperorYu-Gi-Oh! The Dark Side of Dimensions Movie Pack · 038 | Yu-Gi-Oh! The Dark Side of Dimensions Movie Pack | 038 | Ultra Rare | $0.22 |
| Indomitable Fighter Lei LeiCybernetic Revolution · 023 | Cybernetic Revolution | 023 | Common | €0.07 |
| Indomitable Gladiator BeastCrimson Crisis · 056 | Crimson Crisis | 056 | Short Print | $0.50 |
| Induced ExplosionYu-Gi-Oh! The Dark Side of Dimensions Movie Pack · 009 | Yu-Gi-Oh! The Dark Side of Dimensions Movie Pack | 009 | Ultra Rare | $0.09 |
| Indulged DarklordRise of the Duelist · 024 | Rise of the Duelist | 024 | Common | €0.08 |
| Infected MailGeneration Force · 051 | Generation Force | 051 | Super Rare | €0.10 |