| Galaxy War DrakeUnlisted Printings | Unlisted Printings | — | — | €0.21 |
| Galaxy WaveOrder of Chaos · 062 | Order of Chaos | 062 | Common | $0.22 |
| Galaxy WizardZexal Collection Tin · 011 | Zexal Collection Tin | 011 | Ultra Rare | €0.05 |
| Galaxy WormCode of the Duelist · 094 | Code of the Duelist | 094 | Common | €0.09 |
| Galaxy ZeroZexal Collection Tin · 018 | Zexal Collection Tin | 018 | Super Rare | €0.16 |
| Gale DograAbsolute Powerforce · 090 | Absolute Powerforce | 090 | Rare | $0.07 |
| Gale LizardInvasion of Chaos · 008 | Invasion of Chaos | 008 | Common | €0.05 |
| Gallant GraniteChaos Impact · 036 | Chaos Impact | 036 | Ultra Rare | €1.18 |
| Gallis the Star BeastYu-Gi-Oh! GX Tag Force 3 promotional cards · 001 | Yu-Gi-Oh! GX Tag Force 3 promotional cards | 001 | Super Rare | $0.68 |
| Galloping GaiaRise of the Duelist · 049 | Rise of the Duelist | 049 | Common | €0.14 |
| Gallugallud the Endless EnigmaMaze of Muertos · 041 | Maze of Muertos | 041 | Rare | €0.09 |
| GamblePharaoh's Servant · 053 | Pharaoh's Servant | 053 | Common | €0.02 |
| Gambler of LegendGladiator's Assault · 031 | Gladiator's Assault | 031 | Common | €0.15 |
| Gameciel, the Sea Turtle KaijuDimension of Chaos · 088 | Dimension of Chaos | 088 | Rare | €1.52 |
| Gaming Gamer GGBlazing Dominion · 081 | Blazing Dominion | 081 | Common | €0.09 |
| Gamma SummonChaos Origins · 070 | Chaos Origins | 070 | Common | $0.10 |
| Gamma The Electromagnet WarriorStructure Deck: Yugi Muto · 003 | Structure Deck: Yugi Muto | 003 | Super Rare | €0.05 |
| Gamma the Magnet WarriorYu-Gi-Oh! The Duelists of the Roses promotional cards · 003 | Yu-Gi-Oh! The Duelists of the Roses promotional cards | 003 | Prismatic Secret Rare | €0.10 |
| GamusharaGalactic Overlord · 067 | Galactic Overlord | 067 | Common | €0.11 |
| Ganbara KnightStarter Deck: Dawn of the Xyz · 006 | Starter Deck: Dawn of the Xyz | 006 | Common | €0.05 |
| Ganbara LancerSuper Starter Power-Up Pack · 04 | Super Starter Power-Up Pack | 04 | Common | €0.11 |
| Gandora-G the Dragon of DestructionLegacy of Destruction · 001 | Legacy of Destruction | 001 | Secret Rare | $0.55 |
| Gandora the Dragon of DestructionShonen Jump Vol. 7, Issue 1 promotional card · 028 | Shonen Jump Vol. 7, Issue 1 promotional card | 028 | Ultra Rare | €0.06 |
| Gandora-X the Dragon of DemolitionYu-Gi-Oh! The Dark Side of Dimensions Movie Pack · 049 | Yu-Gi-Oh! The Dark Side of Dimensions Movie Pack | 049 | Ultra Rare | €0.11 |
| GanigumoUnlisted Printings | Unlisted Printings | — | — | €2.24 |
| Garbage CollectorStructure Deck: Powercode Link · 002 | Structure Deck: Powercode Link | 002 | Common | €0.10 |
| Garbage GolemBeyond the Brave · 033 | Beyond the Brave | 033 | Common | €0.06 |
| Garbage LordCosmo Blazer · 019 | Cosmo Blazer | 019 | Common | €0.16 |
| Garbage OgreCosmo Blazer · 018 | Cosmo Blazer | 018 | Common | $0.08 |
| Garden of TalistonesChaos Origins · 080 | Chaos Origins | 080 | Common | €0.07 |
| Garden Rose FloraLightning Overdrive · 036 | Lightning Overdrive | 036 | Super Rare | €0.07 |
| Garden Rose MaidenLegendary Duelists: Sisters of the Rose · 023 | Legendary Duelists: Sisters of the Rose | 023 | Ultra Rare | €0.40 |
| Garlandolf, King of DestructionAbsolute Powerforce · 039 | Absolute Powerforce | 039 | Ultra Rare | €5.15 |
| Garma SwordTournament Pack 8 · 005 | Tournament Pack 8 | 005 | Super Rare | €110.05 |
| Garma Sword OathTournament Pack 8 · 010 | Tournament Pack 8 | 010 | Common | $1.31 |
| Garmr of the Nordic BeastsStorm of Ragnarok · 012 | Storm of Ragnarok | 012 | Common | €0.06 |
| Garnecia ElefantisMetal Raiders · 125 | Metal Raiders | 125 | Super Rare | €0.89 |
| GaroozisTournament Pack: 2nd Season · 026 | Tournament Pack: 2nd Season | 026 | Common | €15.04 |
| Garoth, Lightsworn WarriorLight of Destruction · 020 | Light of Destruction | 020 | Common | €0.05 |
| Garuda the Wind SpiritLabyrinth of Nightmare · 070 | Labyrinth of Nightmare | 070 | Common | €0.02 |
| Garum the Storm VassalEmperor of Darkness Structure Deck · 015 | Emperor of Darkness Structure Deck | 015 | Common | €0.09 |
| Garunix Eternity, Hyang of the Fire KingsStructure Deck: Fire Kings · 044 | Structure Deck: Fire Kings | 044 | Ultra Rare | €0.06 |
| Garura, Wings of Resonant LifePower of the Elements · 082 | Power of the Elements | 082 | Ultra Rare | €0.44 |
| GarvasUnlisted Printings | Unlisted Printings | — | — | — |
| Gashadokuro, the Skeletal MayakashiHidden Summoners · 036 | Hidden Summoners | 036 | Secret Rare | €0.19 |
| Gash the Dust LordNumber Hunters · 015 | Number Hunters | 015 | Super Rare | €0.10 |
| Gatchiri @IgnisterEternity Code · 097 | Eternity Code | 097 | Super Rare | €0.03 |
| Gate BlockerDragons of Legend · 034 | Dragons of Legend | 034 | Secret Rare | €0.08 |
| Gate DeegUnlisted Printings | Unlisted Printings | — | — | — |
| Gate GuardianMetal Raiders · 000 | Metal Raiders | 000 | Secret Rare | €0.12 |