| Koa'ki Meiru DoomRaging Battle · 026 | Raging Battle | 026 | Common | €0.13 |
| Koa'ki Meiru DragoRaging Battle · 024 | Raging Battle | 024 | Ultra Rare | $1.13 |
| Koa'ki Meiru GhoulungulateAncient Prophecy · 082 | Ancient Prophecy | 082 | Ultra Rare | $0.50 |
| Koa'ki Meiru GraviroseAncient Prophecy · 083 | Ancient Prophecy | 083 | Ultra Rare | €6.73 |
| Koa'ki Meiru GuardianDuelist Pack Collection Tin 2009 · 3 | Duelist Pack Collection Tin 2009 | 3 | Super Rare | €1.27 |
| Koa'ki Meiru Hydro BarrierAncient Prophecy · 022 | Ancient Prophecy | 022 | Common | €0.12 |
| Koa'ki Meiru IceRaging Battle · 025 | Raging Battle | 025 | Rare | €0.27 |
| Koa'ki Meiru Initialize!The Shining Darkness · 058 | The Shining Darkness | 058 | Common | $0.09 |
| Koa'ki Meiru MaximusStardust Overdrive · 081 | Stardust Overdrive | 081 | Ultra Rare | $1.29 |
| Koa'ki Meiru OverloadSecrets of Eternity · 033 | Secrets of Eternity | 033 | Rare | $0.18 |
| Koa'ki Meiru PowerhandRaging Battle · 022 | Raging Battle | 022 | Super Rare | €0.94 |
| Koa'ki Meiru PrototypeThe Shining Darkness · 082 | The Shining Darkness | 082 | Rare | €0.17 |
| Koa'ki Meiru RooklordStardust Overdrive · 028 | Stardust Overdrive | 028 | Super Rare | $0.79 |
| Koa'ki Meiru SandmanThe Shining Darkness · 028 | The Shining Darkness | 028 | Common | €0.09 |
| Koa'ki Meiru Sea PantherStardust Overdrive · 027 | Stardust Overdrive | 027 | Common | $0.11 |
| Koa'ki Meiru ShieldThe Shining Darkness · 077 | The Shining Darkness | 077 | Rare | $0.11 |
| Koa'ki Meiru SpeederAncient Prophecy · 020 | Ancient Prophecy | 020 | Rare | €0.13 |
| Koa'ki Meiru SupplierRise of the Duelist · 030 | Rise of the Duelist | 030 | Ultra Rare | €0.44 |
| Koa'ki Meiru TokenUnlisted Printings | Unlisted Printings | — | — | — |
| Koa'ki Meiru TornadoAncient Prophecy · 021 | Ancient Prophecy | 021 | Rare | €0.10 |
| Koa'ki Meiru UrnightAbsolute Powerforce · 025 | Absolute Powerforce | 025 | Ultra Rare | $4.90 |
| Koa'ki Meiru ValafarRaging Battle · 021 | Raging Battle | 021 | Super Rare | $0.92 |
| Koa'ki Meiru WallStarstrike Blast · 087 | Starstrike Blast | 087 | Rare | €0.08 |
| Koa'ki Meiru War ArmsRaging Battle · 081 | Raging Battle | 081 | Super Rare | $0.14 |
| Koa'ki RingStarstrike Blast · 056 | Starstrike Blast | 056 | Common | €0.09 |
| Koalo-KoalaOrder of Chaos · 094 | Order of Chaos | 094 | Common | $0.24 |
| Kochobo's HinamatsuriThe Infinite Forbidden · 087 | The Infinite Forbidden | 087 | Common | €0.04 |
| KoitsuMagician's Force · 080 | Magician's Force | 080 | Short Print | €0.07 |
| KojikocyStarter Deck: Kaiba · 009 | Starter Deck: Kaiba | 009 | Common | €0.08 |
| KonohanasakuyaDawn of Majesty · 027 | Dawn of Majesty | 027 | Common | €0.03 |
| KorogashiUnlisted Printings | Unlisted Printings | — | — | — |
| KotodamaMagic Ruler · 095 | Magic Ruler | 095 | Common | $0.01 |
| Koumori DragonStarter Deck: Kaiba · 006 | Starter Deck: Kaiba | 006 | Common | €0.02 |
| KozakyAncient Sanctuary · 058 | Ancient Sanctuary | 058 | Short Print | €0.27 |
| Kozaky's Self-Destruct ButtonThe Lost Millennium · 052 | The Lost Millennium | 052 | Rare | €0.25 |
| Kozmo Dark DestroyerDimension of Chaos · 085 | Dimension of Chaos | 085 | Secret Rare | $0.27 |
| Kozmo Dark EclipserBreakers of Shadow · 085 | Breakers of Shadow | 085 | Secret Rare | €9.17 |
| Kozmo Dark PlanetShining Victories · 085 | Shining Victories | 085 | Secret Rare | €3.05 |
| Kozmo Delta ShuttleBreakers of Shadow · 084 | Breakers of Shadow | 084 | Common | $0.19 |
| Kozmo DOG FighterDimension of Chaos · 084 | Dimension of Chaos | 084 | Super Rare | €0.41 |
| Kozmo FarmgirlClash of Rebellions · 082 | Clash of Rebellions | 082 | Ultra Rare | €4.37 |
| Kozmo ForerunnerClash of Rebellions · 085 | Clash of Rebellions | 085 | Rare | €0.29 |
| Kozmo GoodwitchClash of Rebellions · 083 | Clash of Rebellions | 083 | Super Rare | €0.62 |
| KozmojoBreakers of Shadow · 086 | Breakers of Shadow | 086 | Secret Rare | $0.18 |
| Kozmo LandwalkerShining Victories · 084 | Shining Victories | 084 | Super Rare | $0.21 |
| Kozmo LightswordDimension of Chaos · 086 | Dimension of Chaos | 086 | Common | €0.11 |
| Kozmoll Dark LadyShining Victories · 083 | Shining Victories | 083 | Secret Rare | €0.42 |
| Kozmoll WickedwitchDimension of Chaos · 083 | Dimension of Chaos | 083 | Common | €0.17 |
| Kozmo Scaredy LionShining Victories · 082 | Shining Victories | 082 | Super Rare | €0.21 |
| Kozmo SlipriderClash of Rebellions · 084 | Clash of Rebellions | 084 | Rare | €0.39 |