| KabutopsSkyridge · 150/144 | Skyridge | 150/144 | Rare Secret | €18.64 |
| Karate BeltUnified Minds · 252/236 | Unified Minds | 252/236 | Rare Secret | €4.53 |
| KingdraAquapolis · 148/147 | Aquapolis | 148/147 | Rare Secret | €26.74 |
| KoffingCosmic Eclipse · 243/236 | Cosmic Eclipse | 243/236 | Rare Secret | €25.06 |
| KrookodileDragons Exalted · 127/124 | Dragons Exalted | 127/124 | Rare Secret | $180.00 |
| Lana's Fishing RodCosmic Eclipse · 266/236 | Cosmic Eclipse | 266/236 | Rare Secret | €7.08 |
| Leafy Camo PonchoSilver Tempest · 214/195 | Silver Tempest | 214/195 | Rare Secret | $2.10 |
| Level BallBattle Styles · 181/163 | Battle Styles | 181/163 | Rare Secret | $6.16 |
| Life HerbCelestial Storm · 180/168 | Celestial Storm | 180/168 | Rare Secret | $8.61 |
| Lightning EnergyEvolving Skies · 235/203 | Evolving Skies | 235/203 | Rare Secret | $8.64 |
| Lightning EnergyGuardians Rising · 168/145 | Guardians Rising | 168/145 | Rare Secret | €15.09 |
| Lillie's Poké DollCosmic Eclipse · 267/236 | Cosmic Eclipse | 267/236 | Rare Secret | €15.63 |
| Lost BlenderLost Thunder · 233/214 | Lost Thunder | 233/214 | Rare Secret | $9.97 |
| Lost VacuumLost Origin · 217/196 | Lost Origin | 217/196 | Rare Secret | $2.15 |
| LugiaAquapolis · 149/147 | Aquapolis | 149/147 | Rare Secret | $500.00 |
| Lugia30th Celebration: Classic Collection · 149/147 | 30th Celebration: Classic Collection | 149/147 | Rare Secret | — |
| Lugia VSTARSilver Tempest · 211/195 | Silver Tempest | 211/195 | Rare Secret | $25.07 |
| Lunala-GXUltra Prism · 172/156 | Ultra Prism | 172/156 | Rare Secret | €37.12 |
| Lure ModulePokémon GO · 088/078 | Pokémon GO | 088/078 | Rare Secret | — |
| Magma BasinBrilliant Stars · 185/172 | Brilliant Stars | 185/172 | Rare Secret | $2.43 |
| MagnemiteCosmic Eclipse · 242/236 | Cosmic Eclipse | 242/236 | Rare Secret | €21.74 |
| Martial Arts DojoCosmic Eclipse · 268/236 | Cosmic Eclipse | 268/236 | Rare Secret | €9.72 |
| Max PotionPlasma Freeze · 121/116 | Plasma Freeze | 121/116 | Rare Secret | €14.80 |
| Max PotionGuardians Rising · 164/145 | Guardians Rising | 164/145 | Rare Secret | $6.79 |
| M Charizard-EXFlashfire · 107/106 | Flashfire | 107/106 | Rare Secret | €100.00 |
| M Charizard-EXFlashfire · 108/106 | Flashfire | 108/106 | Rare Secret | €165.00 |
| Memory CapsuleVivid Voltage · 202/185 | Vivid Voltage | 202/185 | Rare Secret | $1.88 |
| MeowthNoble Victories · 102/101 | Noble Victories | 102/101 | Rare Secret | $113.77 |
| Metal Core BarrierUnbroken Bonds · 232/214 | Unbroken Bonds | 232/214 | Rare Secret | $3.15 |
| Metal EnergyEvolving Skies · 237/203 | Evolving Skies | 237/203 | Rare Secret | €11.10 |
| Metal EnergySun & Moon · 163/149 | Sun & Moon | 163/149 | Rare Secret | €7.81 |
| Metal Frying PanForbidden Light · 144/131 | Forbidden Light | 144/131 | Rare Secret | €9.00 |
| Metal GogglesTeam Up · 195/181 | Team Up | 195/181 | Rare Secret | $4.39 |
| Metal SaucerSword & Shield · 214/202 | Sword & Shield | 214/202 | Rare Secret | $2.49 |
| MewHolon Phantoms · 111/110 | Holon Phantoms | 111/110 | Rare Secret | €25.00 |
| Mewtwo-EXBREAKthrough · 163/162 | BREAKthrough | 163/162 | Rare Secret | €52.63 |
| Mewtwo-EXBREAKthrough · 164/162 | BREAKthrough | 164/162 | Rare Secret | €52.63 |
| Mewtwo-GXShining Legends · 78/73 | Shining Legends | 78/73 | Rare Secret | €526.18 |
| Mewtwo VSTARPokémon GO · 086/078 | Pokémon GO | 086/078 | Rare Secret | — |
| Mew VMAXLost Origin Trainer Gallery · TG30/TG30 | Lost Origin Trainer Gallery | TG30/TG30 | Rare Secret | €21.89 |
| M Gengar-EXPhantom Forces · 121/119 | Phantom Forces | 121/119 | Rare Secret | €215.00 |
| M Heracross-EXFurious Fists · 112/111 | Furious Fists | 112/111 | Rare Secret | €29.32 |
| MimikyuCosmic Eclipse · 245/236 | Cosmic Eclipse | 245/236 | Rare Secret | €39.33 |
| Missing CloverUltra Prism · 168/156 | Ultra Prism | 168/156 | Rare Secret | €0.22 |
| M Kangaskhan-EXFlashfire · 109/106 | Flashfire | 109/106 | Rare Secret | €30.00 |
| M Lucario-EXFurious Fists · 113/111 | Furious Fists | 113/111 | Rare Secret | €132.45 |
| M Manectric-EXPhantom Forces · 120/119 | Phantom Forces | 120/119 | Rare Secret | €15.48 |
| MoltresSupreme Victors · 149/147 | Supreme Victors | 149/147 | Rare Secret | €164.25 |
| Moltres exFireRed & LeafGreen · 115/112 | FireRed & LeafGreen | 115/112 | Rare Secret | €117.87 |
| M Rayquaza-EXAncient Origins · 98/98 | Ancient Origins | 98/98 | Rare Secret | $300.00 |