| Kyoro Ryu-Ge KaivaCrossover Breakers · 031 | Crossover Breakers | 031 | Super Rare | €0.09 |
| Kyoutou WaterfrontClash of Rebellions · 089 | Clash of Rebellions | 089 | Common | €0.05 |
| Labradorite DragonShadow Specters · 001 | Shadow Specters | 001 | Super Rare | €0.30 |
| Labrynth ArchfiendTactical Masters · 015 | Tactical Masters | 015 | Rare | €0.09 |
| Labrynth BarrageTactical Masters · 025 | Tactical Masters | 025 | Super Rare | €0.09 |
| Labrynth ChandraglierTactical Masters · 018 | Tactical Masters | 018 | Rare | $0.14 |
| Labrynth CooclockTactical Masters · 020 | Tactical Masters | 020 | Rare | $0.09 |
| Labrynth LabyrinthTactical Masters · 021 | Tactical Masters | 021 | Super Rare | €0.26 |
| Labrynth Set-UpTactical Masters · 022 | Tactical Masters | 022 | Super Rare | €0.10 |
| Labrynth Stovie TorbieTactical Masters · 019 | Tactical Masters | 019 | Rare | €0.14 |
| Labyrinth Heavy TankMaze of Memories · 001 | Maze of Memories | 001 | Super Rare | $0.23 |
| Labyrinth of NightmareAncient Sanctuary · 108 | Ancient Sanctuary | 108 | Common | €0.05 |
| Labyrinth TankMetal Raiders · 091 | Metal Raiders | 091 | Common | $0.26 |
| Labyrinth WallMagic Ruler · 055 | Magic Ruler | 055 | Common | €0.03 |
| Labyrinth Wall ShadowMaze of Memories · 007 | Maze of Memories | 007 | Rare | €0.12 |
| Lacrima the Crimson TearsRage of the Abyss · 014 | Rage of the Abyss | 014 | Secret Rare | $0.48 |
| Lady Assailant of FlamesLabyrinth of Nightmare · 035 | Labyrinth of Nightmare | 035 | Common | €0.02 |
| Lady DebugStructure Deck: Powercode Link · 005 | Structure Deck: Powercode Link | 005 | Super Rare | $0.43 |
| Lady Labrynth of the Silver CastleDarkwing Blast · 030 | Darkwing Blast | 030 | Secret Rare | $0.75 |
| Lady Ninja YaeAncient Sanctuary · 030 | Ancient Sanctuary | 030 | Short Print | €0.33 |
| Lady of D.Galactic Overlord · 036 | Galactic Overlord | 036 | Common | €0.18 |
| Lady of FaithMetal Raiders · 119 | Metal Raiders | 119 | Common | €0.08 |
| Lady of the LakeShadow Specters · 084 | Shadow Specters | 084 | Secret Rare | €1.15 |
| Lady PantherLabyrinth of Nightmare · 030 | Labyrinth of Nightmare | 030 | Common | €0.05 |
| Lady's DragonmaidBattles of Legend: Monster Mayhem · 049 | Battles of Legend: Monster Mayhem | 049 | Ultra Rare | $4.41 |
| Laevatein, Generaider Boss of ShadowsPhoton Hypernova · 047 | Photon Hypernova | 047 | Ultra Rare | €0.02 |
| Laevateinn the Burning BladeDoom of Dimensions · 053 | Doom of Dimensions | 053 | Super Rare | $0.21 |
| Lair of DarknessStructure Deck: Lair of Darkness · 022 | Structure Deck: Lair of Darkness | 022 | Super Rare | €0.13 |
| Lair WireAbsolute Powerforce · 071 | Absolute Powerforce | 071 | Common | €0.20 |
| La Jinn the Mystical Genie of the LampStarter Deck: Kaiba · 026 | Starter Deck: Kaiba | 026 | Common | €0.09 |
| LaLa Li-oonUnlisted Printings | Unlisted Printings | — | — | €2.58 |
| Lamb TokenUnlisted Printings | Unlisted Printings | — | — | €0.90 |
| LamiaBattles of Legend: Monstrous Revenge · 021 | Battles of Legend: Monstrous Revenge | 021 | Ultra Rare | €0.21 |
| LaMoonUnlisted Printings | Unlisted Printings | — | — | — |
| Lancea, Ancestral Dragon of the Ice MountainBattles of Legend: Terminal Revenge · 005 | Battles of Legend: Terminal Revenge | 005 | Secret Rare | $0.11 |
| LancephorhynchusThe New Challengers Sneak Peek Participation Card · 1 | The New Challengers Sneak Peek Participation Card | 1 | Ultra Rare | €0.12 |
| Lancer ArchfiendStarstrike Blast · 009 | Starstrike Blast | 009 | Rare | €0.10 |
| Lancer DragonuteExtreme Victory · 091 | Extreme Victory | 091 | Super Rare | $0.14 |
| Lancer LindwurmExtreme Victory · 092 | Extreme Victory | 092 | Common | €0.08 |
| Land FlippingPhoton Hypernova · 070 | Photon Hypernova | 070 | Common | €0.03 |
| Land of the Ojamas (Skill Card)Speed Duel GX: Duel Academy Box · 03 | Speed Duel GX: Duel Academy Box | 03 | Common | — |
| Landoise's Luminous MossDuelist Revolution · 052 | Duelist Revolution | 052 | Rare | €0.29 |
| Landrobe the Rock VassalEmperor of Darkness Structure Deck · 012 | Emperor of Darkness Structure Deck | 012 | Common | €1.24 |
| Lane RestrictionChaos Origins · 078 | Chaos Origins | 078 | Common | €0.04 |
| LANphorhynchusStructure Deck: Powercode Link · 042 | Structure Deck: Powercode Link | 042 | Common | €0.02 |
| Lantern SharkEternity Code · 018 | Eternity Code | 018 | Common | €0.08 |
| Lappis DragonSavage Strike · 027 | Savage Strike | 027 | Rare | €0.16 |
| Larvae MothMetal Raiders · 007 | Metal Raiders | 007 | Common | €0.02 |
| LarvasLegend of Blue Eyes White Dragon · 073 | Legend of Blue Eyes White Dragon | 073 | Common | €0.02 |
| Laser Cannon ArmorLegend of Blue Eyes White Dragon · 089 | Legend of Blue Eyes White Dragon | 089 | Short Print | €0.02 |