| Grinning Grave VirusStructure Deck: Lair of Darkness · 030 | Structure Deck: Lair of Darkness | 030 | Super Rare | €0.16 |
| Grisaille PrisonShadow Specters · 078 | Shadow Specters | 078 | Rare | $1.54 |
| GritSpeed Duel Starter Decks: Duelists of Tomorrow · 1 | Speed Duel Starter Decks: Duelists of Tomorrow | 1 | Common | €0.14 |
| Ground Attacker BugrothMetal Raiders · 022 | Metal Raiders | 022 | Common | €0.02 |
| Ground CollapsePharaoh's Servant · 070 | Pharaoh's Servant | 070 | Common | €0.02 |
| Ground SpiderStardust Overdrive · 016 | Stardust Overdrive | 016 | Common | $0.11 |
| Ground XenoWild Survivors · 006 | Wild Survivors | 006 | Ultra Rare | €0.48 |
| Groza, Tyrant of ThunderBattle of Chaos · 097 | Battle of Chaos | 097 | Common | €0.02 |
| Gruesome GooAstral Pack Six · 015 | Astral Pack Six | 015 | Short Print | €6.35 |
| Gruesome Grave SquirmerLegacy of Destruction · 019 | Legacy of Destruction | 019 | Common | $0.21 |
| Gryphon's Feather DusterInvasion of Chaos · 091 | Invasion of Chaos | 091 | Common | €0.05 |
| Gryphon WingStarter Deck: Pegasus · 050 | Starter Deck: Pegasus | 050 | Super Rare | €0.14 |
| Guard DogEnemy of Justice · 024 | Enemy of Justice | 024 | Common | €0.08 |
| Guarded TreasureDragons of Legend · 013 | Dragons of Legend | 013 | Secret Rare | $0.22 |
| Guard GhostIgnition Assault · 081 | Ignition Assault | 081 | Common | €0.02 |
| Guard Go!World Superstars · 029 | World Superstars | 029 | Super Rare | €0.14 |
| Guardian Angel JoanInvasion of Chaos · 087 | Invasion of Chaos | 087 | Ultra Rare | €0.10 |
| Guardian BaouDark Crisis · 008 | Dark Crisis | 008 | Rare | €0.22 |
| Guardian CealDark Crisis · 006 | Dark Crisis | 006 | Ultra Rare | €0.56 |
| Guardian ChimeraBattle of Chaos · 040 | Battle of Chaos | 040 | Secret Rare | $0.38 |
| Guardian DreadscytheDragons of Legend · 010 | Dragons of Legend | 010 | Secret Rare | €0.02 |
| Guardian EatosStardust Overdrive · 097 | Stardust Overdrive | 097 | Secret Rare | $0.21 |
| Guardian ElmaDark Crisis · 005 | Dark Crisis | 005 | Common | $0.15 |
| Guardian GrarlDark Crisis · 007 | Dark Crisis | 007 | Ultra Rare | €1.49 |
| Guardian Kay'estDark Crisis · 009 | Dark Crisis | 009 | Common | €0.20 |
| Guardian of FelgrandRise of the True Dragons Structure Deck · 004 | Rise of the True Dragons Structure Deck | 004 | Common | €0.09 |
| Guardian of OrderLight of Destruction Sneak Peek Participation Card · 1 | Light of Destruction Sneak Peek Participation Card | 1 | Super Rare | €0.17 |
| Guardian of the Golden LandSecret Slayers · 032 | Secret Slayers | 032 | Secret Rare | €0.07 |
| Guardian of the LabyrinthMetal Raiders · 083 | Metal Raiders | 083 | Common | $0.18 |
| Guardian of the Throne RoomMagic Ruler · 013 | Magic Ruler | 013 | Common | €0.05 |
| Guardian of the Voiceless VoiceThe Infinite Forbidden · 074 | The Infinite Forbidden | 074 | Common | €0.06 |
| Guardian SlimeLegendary Duelists: Rage of Ra · 003 | Legendary Duelists: Rage of Ra | 003 | Ultra Rare | €0.28 |
| Guardians of the TombSpeed Duel: Battle City Box · 06 | Speed Duel: Battle City Box | 06 | Common | €0.05 |
| Guardian SphinxPharaonic Guardian · 025 | Pharaonic Guardian | 025 | Ultra Rare | €0.09 |
| Guardian StatueThe Lost Millennium · 021 | The Lost Millennium | 021 | Common | $0.14 |
| Guardian TryceDark Crisis · 010 | Dark Crisis | 010 | Rare | €0.12 |
| Guard MantisBattles of Legend: Monstrous Revenge · 034 | Battles of Legend: Monstrous Revenge | 034 | Ultra Rare | €0.09 |
| Guard MinesThe Shining Darkness · 067 | The Shining Darkness | 067 | Rare | $0.11 |
| Guard PenaltyEnemy of Justice · 045 | Enemy of Justice | 045 | Rare | €0.09 |
| Guard PenguinDuelist Saga · 005 | Duelist Saga | 005 | Ultra Rare | €0.19 |
| Guardragon AgarpainSavage Strike · 053 | Savage Strike | 053 | Super Rare | $0.23 |
| Guardragon AndrakeSavage Strike · 015 | Savage Strike | 015 | Rare | €0.04 |
| Guardragon CataclysmSavage Strike · 073 | Savage Strike | 073 | Rare | €0.08 |
| Guardragon CorewakeningSavage Strike · 072 | Savage Strike | 072 | Common | €0.07 |
| Guardragon ElpySavage Strike · 051 | Savage Strike | 051 | Super Rare | $0.35 |
| Guardragon GarmidesSavage Strike · 013 | Savage Strike | 013 | Common | €0.04 |
| Guardragon JusticiaSavage Strike · 012 | Savage Strike | 012 | Common | €0.13 |
| Guardragon PistySavage Strike · 052 | Savage Strike | 052 | Super Rare | €0.66 |
| Guardragon ProminesesSavage Strike · 014 | Savage Strike | 014 | Common | €0.04 |
| Guardragon ReincarnationDark Neostorm · 060 | Dark Neostorm | 060 | Common | €0.04 |