| WastelandLegend of Blue Eyes White Dragon · 047 | Legend of Blue Eyes White Dragon | 047 | Common | €0.05 |
| WataponMovie Pack · 003 | Movie Pack | 003 | Common | $0.54 |
| Watch CatFlames of Destruction · 028 | Flames of Destruction | 028 | Common | €0.04 |
| Watch DogThe New Challengers · 040 | The New Challengers | 040 | Common | €0.07 |
| Water DragonElemental Energy · 015 | Elemental Energy | 015 | Super Rare | €0.06 |
| Water Dragon ClusterLegendary Duelists · 036 | Legendary Duelists | 036 | Super Rare | €0.07 |
| Waterdragon FairyUnlisted Printings | Unlisted Printings | — | — | — |
| Water ElementUnlisted Printings | Unlisted Printings | — | — | — |
| Water Enchantress of the TempleThe Grand Creators · 026 | The Grand Creators | 026 | Ultra Rare | €0.38 |
| Waterfall of Dragon SoulsMaximum Crisis · 078 | Maximum Crisis | 078 | Super Rare | €0.14 |
| Water GirlUnlisted Printings | Unlisted Printings | — | — | €4.72 |
| Water HazardAncient Prophecy · 056 | Ancient Prophecy | 056 | Common | $0.09 |
| Water Leviathan @IgnisterIgnition Assault · 034 | Ignition Assault | 034 | Common | €0.11 |
| Water MagicianTournament Pack: 2nd Season · 030 | Tournament Pack: 2nd Season | 030 | Common | €0.19 |
| Water of LifeBattles of Legend: Hero's Revenge · 002 | Battles of Legend: Hero's Revenge | 002 | Ultra Rare | €0.07 |
| Water OmoticsMetal Raiders · 021 | Metal Raiders | 021 | Common | €0.08 |
| Water SpiritStarter Deck: Yu-Gi-Oh! 5D's · 002 | Starter Deck: Yu-Gi-Oh! 5D's | 002 | Common | €0.04 |
| WattaildragonGalactic Overlord · 001 | Galactic Overlord | 001 | Common | €0.05 |
| WattberyxStorm of Ragnarok · 031 | Storm of Ragnarok | 031 | Rare | €0.02 |
| WattbettaDuelist Revolution · 024 | Duelist Revolution | 024 | Common | €0.06 |
| WattcancelPhoton Shockwave · 073 | Photon Shockwave | 073 | Common | €0.02 |
| WattcannonDuelist Revolution · 071 | Duelist Revolution | 071 | Common | €0.11 |
| WattcastleStarstrike Blast · 050 | Starstrike Blast | 050 | Rare | $0.59 |
| WattchimeraDuelist Revolution · 044 | Duelist Revolution | 044 | Ultra Rare | €0.12 |
| WattcineDuelist Revolution · 050 | Duelist Revolution | 050 | Common | €0.14 |
| WattcobraPhoton Shockwave · 028 | Photon Shockwave | 028 | Common | €0.02 |
| WattcubeThe Shining Darkness · 054 | The Shining Darkness | 054 | Common | €0.11 |
| WattdragonflyStarstrike Blast · 028 | Starstrike Blast | 028 | Common | €0.02 |
| WattfoxThe Shining Darkness · 026 | The Shining Darkness | 026 | Common | €0.02 |
| WattgiraffeThe Shining Darkness · 025 | The Shining Darkness | 025 | Super Rare | €0.13 |
| WatthopperStarstrike Blast · 027 | Starstrike Blast | 027 | Common | €0.02 |
| WatthydraStorm of Ragnarok · 044 | Storm of Ragnarok | 044 | Super Rare | €0.02 |
| WattjustmentStarstrike Blast · 051 | Starstrike Blast | 051 | Common | €0.08 |
| WattkeeperStarstrike Blast · 074 | Starstrike Blast | 074 | Common | €0.02 |
| WattkeyStorm of Ragnarok · 054 | Storm of Ragnarok | 054 | Common | €0.02 |
| WattkidTournament Pack: 1st Season · 016 | Tournament Pack: 1st Season | 016 | Common | €0.17 |
| Wattkinetic PuppeteerExtreme Force · 034 | Extreme Force | 034 | Common | €0.08 |
| WattkingdomAge of Overlord · 062 | Age of Overlord | 062 | Common | €0.06 |
| WattkiwiStarstrike Blast · 026 | Starstrike Blast | 026 | Common | €0.11 |
| WattkyukiAge of Overlord · 038 | Age of Overlord | 038 | Common | €0.04 |
| WattlemurDuelist Revolution · 025 | Duelist Revolution | 025 | Common | €0.09 |
| WattmoleStorm of Ragnarok · 032 | Storm of Ragnarok | 032 | Common | €0.02 |
| WattpheasantDuelist Revolution · 026 | Duelist Revolution | 026 | Common | €0.02 |
| WattrainChaos Impact · 060 | Chaos Impact | 060 | Common | €0.10 |
| WattsquirrelStarstrike Blast · 029 | Starstrike Blast | 029 | Rare | €0.02 |
| Wattsychic FighterWorld Superstars · 041 | World Superstars | 041 | Super Rare | €0.10 |
| Wattsychic Fighting PorterAge of Overlord · 085 | Age of Overlord | 085 | Common | €0.03 |
| WattunaAge of Overlord · 015 | Age of Overlord | 015 | Common | €0.07 |
| WattwoodpeckerThe Shining Darkness · 027 | The Shining Darkness | 027 | Common | €0.02 |
| Wave-Motion CannonMagician's Force · 040 | Magician's Force | 040 | Common | €0.05 |