| Qadshaddoll KeiosStructure Deck: Shaddoll Showdown · 001 | Structure Deck: Shaddoll Showdown | 001 | Super Rare | €0.04 |
| Qardan the Clear-SightedPhoton Hypernova · 095 | Photon Hypernova | 095 | Super Rare | €0.14 |
| Qebehsenuef, Protection of HorusAge of Overlord · 014 | Age of Overlord | 014 | Super Rare | €0.21 |
| Qlife's EndInvasion: Vengeance · 076 | Invasion: Vengeance | 076 | Rare | €0.11 |
| Qlimate ChangeThe New Challengers · 073 | The New Challengers | 073 | Common | €0.07 |
| Qliphort CarrierThe New Challengers · 022 | The New Challengers | 022 | Super Rare | $1.19 |
| Qliphort CephalopodSecrets of Eternity · 021 | Secrets of Eternity | 021 | Super Rare | €0.61 |
| Qliphort DiskThe New Challengers · 024 | The New Challengers | 024 | Secret Rare | $1.28 |
| Qliphort GeniusExtreme Force · 095 | Extreme Force | 095 | Rare | €0.37 |
| Qliphort HelixThe New Challengers · 023 | The New Challengers | 023 | Super Rare | $1.91 |
| Qliphort MonolithSecrets of Eternity · 020 | Secrets of Eternity | 020 | Secret Rare | €0.17 |
| Qliphort ScoutThe New Challengers · 021 | The New Challengers | 021 | Ultra Rare | €0.18 |
| Qliphort ShellThe New Challengers · 025 | The New Challengers | 025 | Rare | €0.28 |
| Qliphort StealthSecrets of Eternity · 022 | Secrets of Eternity | 022 | Ultra Rare | €1.23 |
| Qlipper LaunchThe New Challengers · 074 | The New Challengers | 074 | Common | €0.03 |
| QQ EnneagonRage of the Abyss · 089 | Rage of the Abyss | 089 | Common | €0.09 |
| Quadborrel DragonStructure Deck: Rokket Revolt · 043 | Structure Deck: Rokket Revolt | 043 | Ultra Rare | €0.07 |
| Quadogmatika BeastDoom of Dimensions · 078 | Doom of Dimensions | 078 | Common | €0.05 |
| Quaking Mirror ForceBreakers of Shadow · 076 | Breakers of Shadow | 076 | Ultra Rare | $0.23 |
| Quantum CatBattle Pack 3: Monster League · 237 | Battle Pack 3: Monster League | 237 | Common | €0.07 |
| QuarantineInvasion: Vengeance · 066 | Invasion: Vengeance | 066 | Short Print | €0.11 |
| Queen Angel of RosesLegacy of the Valiant · 092 | Legacy of the Valiant | 092 | Super Rare | €0.15 |
| Queen AzaminaSupreme Darkness · 009 | Supreme Darkness | 009 | Ultra Rare | €0.71 |
| Queen BirdMagic Ruler · 009 | Magic Ruler | 009 | Common | €0.03 |
| Queen Butterfly DanausPhoton Hypernova · 094 | Photon Hypernova | 094 | Super Rare | $0.12 |
| Queen Dragun DjinnGalactic Overlord · 049 | Galactic Overlord | 049 | Super Rare | $0.27 |
| Queen of Autumn LeavesTournament Pack: 2nd Season · 024 | Tournament Pack: 2nd Season | 024 | Common | €29.56 |
| Queen of Fate - EterniaYu-Gi-Oh! World Championship 2005 prize cards · 502 | Yu-Gi-Oh! World Championship 2005 prize cards | 502 | Ultra Rare | — |
| Queen of the Blazing Domain2025 Mega-Pack Tin · 147 | 2025 Mega-Pack Tin | 147 | Prismatic Secret Rare | €1.94 |
| Queen of ThornsCrossroads of Chaos · 042 | Crossroads of Chaos | 042 | Super Rare | €0.12 |
| Queen's BodyguardCyberdark Impact · 027 | Cyberdark Impact | 027 | Common | $0.15 |
| Queen's DoubleMetal Raiders · 051 | Metal Raiders | 051 | Short Print | €0.09 |
| Queen's KnightElemental Energy · 004 | Elemental Energy | 004 | Rare | €0.03 |
| Queen's PawnDuelist Revolution · 073 | Duelist Revolution | 073 | Common | €0.13 |
| QuestionPharaonic Guardian · 104 | Pharaonic Guardian | 104 | Ultra Rare | €1.03 |
| Quick BoosterCosmo Blazer · 065 | Cosmo Blazer | 065 | Ultra Rare | €0.03 |
| Quick ChargerLight of Destruction · 055 | Light of Destruction | 055 | Common | €0.05 |
| Quickdraw SynchronStardust Overdrive · 004 | Stardust Overdrive | 004 | Common | €0.13 |
| Quick LaunchCircuit Break · 056 | Circuit Break | 056 | Secret Rare | €0.02 |
| Quick-Span KnightPremium Collection Tin · 006 | Premium Collection Tin | 006 | Super Rare | $0.15 |
| Quick SummonUnlisted Printings | Unlisted Printings | — | — | — |
| Quiet LifeCircuit Break · 096 | Circuit Break | 096 | Super Rare | €0.21 |
| Quillbolt HedgehogThe Duelist Genesis · 003 | The Duelist Genesis | 003 | Common | €0.04 |
| Quill Pen of GulldosGeneration Force · 058 | Generation Force | 058 | Super Rare | €0.04 |
| Quintet MagicianDuel Power · 040 | Duel Power | 040 | Ultra Rare | €0.26 |
| Rabid HorsemanMetal Raiders · 077 | Metal Raiders | 077 | Common | €0.13 |
| RabidragonPhoton Shockwave · 002 | Photon Shockwave | 002 | Common | $0.04 |
| Radiance of the Voiceless VoicePhantom Nightmare · 076 | Phantom Nightmare | 076 | Common | $0.10 |
| Radian, the Multidimensional KaijuDimension of Chaos · 087 | Dimension of Chaos | 087 | Rare | €0.11 |
| Radiant JeralStrike of Neos · 066 | Strike of Neos | 066 | Secret Rare | €0.21 |