| Watchful RadstagFallout · 87 | Fallout | 87 | Rare | $1.20 |
| Watchful RadstagFallout · 335 | Fallout | 335 | Rare | €1.37 |
| Watchful RadstagFallout · 615 | Fallout | 615 | Rare | €4.44 |
| Watchful RadstagFallout · 863 | Fallout | 863 | Rare | €14.85 |
| Watchwing ScarecrowShadowmoor · 268 | Shadowmoor | 268 | Common | €0.14 |
| WatchwolfMasters 25 · 220 | Masters 25 | 220 | Uncommon | €0.21 |
| WatchwolfArchenemy · 100 | Archenemy | 100 | Uncommon | €0.29 |
| WatchwolfFriday Night Magic 2009 · 9 | Friday Night Magic 2009 | 9 | Rare | €0.46 |
| WatchwolfGRN Guild Kit · 122 | GRN Guild Kit | 122 | Uncommon | €0.11 |
| WatchwolfRavnica: City of Guilds · 239 | Ravnica: City of Guilds | 239 | Uncommon | €0.19 |
| WatchwolfMagic Online Promos · 36196 | Magic Online Promos | 36196 | Uncommon | — |
| Waterbender AscensionAvatar: The Last Airbender Promos · 79s | Avatar: The Last Airbender Promos | 79s | Rare | €2.30 |
| Waterbender AscensionAvatar: The Last Airbender · 79 | Avatar: The Last Airbender | 79 | Rare | €0.63 |
| Waterbender AscensionAvatar: The Last Airbender · 310 | Avatar: The Last Airbender | 310 | Rare | €1.12 |
| Waterbender Ascension // Waterbender AscensionAvatar: the Last Airbender Art Series · 6 | Avatar: the Last Airbender Art Series | 6 | — | — |
| Waterbender's RestorationAvatar: The Last Airbender Eternal · 99 | Avatar: The Last Airbender Eternal | 99 | Rare | $4.09 |
| Waterbender's RestorationAvatar: The Last Airbender Eternal · 183 | Avatar: The Last Airbender Eternal | 183 | Rare | $3.65 |
| WaterbendingAvatar: The Last Airbender Beginner Box Front Cards · 4 | Avatar: The Last Airbender Beginner Box Front Cards | 4 | — | — |
| Waterbending LessonAvatar: The Last Airbender · 80 | Avatar: The Last Airbender | 80 | Common | €0.10 |
| Waterbending ScrollAvatar: The Last Airbender · 81 | Avatar: The Last Airbender | 81 | Uncommon | €0.19 |
| WatercourserBattlebond · 137 | Battlebond | 137 | Common | €0.02 |
| WatercourserMagic 2013 · 78 | Magic 2013 | 78 | Common | $0.02 |
| WatercourserMagic Origins · 82 | Magic Origins | 82 | Common | €0.02 |
| WatercourserThe List Tokens · BBD-137 | The List Tokens | BBD-137 | Common | €0.06 |
| Water ElementalUnlimited Edition · 92 | Unlimited Edition | 92 | Uncommon | €2.39 |
| Water ElementalRevised Edition · 92 | Revised Edition | 92 | Uncommon | $0.24 |
| Water Elemental30th Anniversary Edition · 91 | 30th Anniversary Edition | 91 | Uncommon | €0.02 |
| Water Elemental30th Anniversary Edition · 388 | 30th Anniversary Edition | 388 | Uncommon | €59.99 |
| Water ElementalFourth Edition Foreign Black Border · 115 | Fourth Edition Foreign Black Border | 115 | Uncommon | €1.11 |
| Water ElementalFourth Edition · 115 | Fourth Edition | 115 | Uncommon | €0.13 |
| Water ElementalCollectors' Edition · 92 | Collectors' Edition | 92 | Uncommon | €1.50 |
| Water ElementalIntl. Collectors' Edition · 92 | Intl. Collectors' Edition | 92 | Uncommon | €1.36 |
| Water ElementalForeign Black Border · 92 | Foreign Black Border | 92 | Uncommon | €0.66 |
| Water ElementalLimited Edition Alpha · 91 | Limited Edition Alpha | 91 | Uncommon | €22.34 |
| Water ElementalLimited Edition Beta · 92 | Limited Edition Beta | 92 | Uncommon | $13.68 |
| Water ElementalStarter 1999 · 60 | Starter 1999 | 60 | Uncommon | $0.14 |
| Water ElementalSummer Magic / Edgar · 92 | Summer Magic / Edgar | 92 | Uncommon | €251.09 |
| Water ElementalMasters Edition IV · 70 | Masters Edition IV | 70 | Uncommon | — |
| Waterfall AerialistStrixhaven: School of Mages · 61 | Strixhaven: School of Mages | 61 | Common | $0.01 |
| Waterfront BouncerMercadian Masques · 114 | Mercadian Masques | 114 | Common | $0.35 |
| Waterfront BouncerWorld Championship Decks 2001 Tokens · ab114 | World Championship Decks 2001 Tokens | ab114 | Common | €1.72 |
| Waterfront BouncerVintage Masters · 102 | Vintage Masters | 102 | Uncommon | — |
| Waterfront DistrictStreets of New Capenna · 259 | Streets of New Capenna | 259 | Common | €0.05 |
| Waterfront DistrictStreets of New Capenna · 357 | Streets of New Capenna | 357 | Common | €0.09 |
| Water Gun Balloon GameUnsanctioned · 85 | Unsanctioned | 85 | Rare | €0.10 |
| Water Gun Balloon GameUnhinged · 132 | Unhinged | 132 | Rare | $0.49 |
| Water Gun Balloon GameUnfinity · 538 | Unfinity | 538 | Rare | €0.09 |
| Waterkin ShamanFoundations Jumpstart · 386 | Foundations Jumpstart | 386 | Common | €0.12 |
| Waterkin ShamanCore Set 2020 · 288 | Core Set 2020 | 288 | Uncommon | $0.10 |
| Waterkin ShamanArena Beginner Set · 39 | Arena Beginner Set | 39 | Common | — |