| Unstable EvolutionThe Duelist Genesis · 060 | The Duelist Genesis | 060 | Super Rare | €0.13 |
| Until Noble Arms are Needed Once AgainSoul Fusion · 091 | Soul Fusion | 091 | Common | €0.02 |
| Unwavering BondShining Victories · 079 | Shining Victories | 079 | Ultra Rare | €0.07 |
| Update JammerSavage Strike · 045 | Savage Strike | 045 | Common | €0.04 |
| UpdraftGladiator's Assault · 067 | Gladiator's Assault | 067 | Super Rare | $0.36 |
| Upstart GoblinMagic Ruler · 033 | Magic Ruler | 033 | Common | $0.40 |
| Upstart Golden NinjaOrder of Chaos · 031 | Order of Chaos | 031 | Common | €0.08 |
| UrabyLegend of Blue Eyes White Dragon · 069 | Legend of Blue Eyes White Dragon | 069 | Common | €0.02 |
| Uradora of FateBattle of Chaos · 065 | Battle of Chaos | 065 | Common | €0.07 |
| Urgent Ritual ArtDimension of Chaos · 078 | Dimension of Chaos | 078 | Secret Rare | €0.18 |
| Urgent ScheduleLegendary Duelists: Sisters of the Rose · 037 | Legendary Duelists: Sisters of the Rose | 037 | Ultra Rare | $0.14 |
| Urgent SynthesisRaging Battle · 057 | Raging Battle | 057 | Common | €0.05 |
| Urgent TuningCrossroads of Chaos · 065 | Crossroads of Chaos | 065 | Super Rare | €0.11 |
| Uria, Lord of Searing FlamesShadow of Infinity · 001 | Shadow of Infinity | 001 | Ultra Rare | €0.15 |
| Ursarctic Big DipperAncient Guardians · 038 | Ancient Guardians | 038 | Ultra Rare | $2.71 |
| Ursarctic DepartureAncient Guardians · 036 | Ancient Guardians | 036 | Super Rare | €0.09 |
| Ursarctic DrytronBurst of Destiny · 066 | Burst of Destiny | 066 | Common | €0.09 |
| Ursarctic Grand ChariotAncient Guardians · 035 | Ancient Guardians | 035 | Ultra Rare | $0.79 |
| Ursarctic MegabilisAncient Guardians · 032 | Ancient Guardians | 032 | Rare | €0.07 |
| Ursarctic MegapolarAncient Guardians · 030 | Ancient Guardians | 030 | Rare | €0.06 |
| Ursarctic MegatanusAncient Guardians · 031 | Ancient Guardians | 031 | Rare | €0.08 |
| Ursarctic MikbilisAncient Guardians · 029 | Ancient Guardians | 029 | Super Rare | €0.12 |
| Ursarctic MikpolarAncient Guardians · 027 | Ancient Guardians | 027 | Super Rare | €0.11 |
| Ursarctic MiktanusAncient Guardians · 028 | Ancient Guardians | 028 | Super Rare | €0.11 |
| Ursarctic PolariAncient Guardians · 033 | Ancient Guardians | 033 | Ultra Rare | $1.22 |
| Ursarctic Polar StarDuelist Nexus · 041 | Duelist Nexus | 041 | Super Rare | €0.06 |
| Ursarctic Quint ChargeAncient Guardians · 039 | Ancient Guardians | 039 | Rare | €0.08 |
| Ursarctic RadiationBattle of Chaos · 059 | Battle of Chaos | 059 | Ultra Rare | €0.06 |
| Ursarctic SeptentrionAncient Guardians · 034 | Ancient Guardians | 034 | Ultra Rare | $1.30 |
| Ursarctic SliderAncient Guardians · 037 | Ancient Guardians | 037 | Super Rare | €0.10 |
| Urubonus, the Avatar of MaliceBattles of Legend: Monstrous Revenge · 020 | Battles of Legend: Monstrous Revenge | 020 | Ultra Rare | €0.07 |
| Ushi OniMcDonald's Promotional Cards · 013 | McDonald's Promotional Cards | 013 | Common | $8.71 |
| Utchatzimime TokenUnlisted Printings | Unlisted Printings | — | — | — |
| Utgarda, Generaider Boss of DelusionIgnition Assault · 022 | Ignition Assault | 022 | Super Rare | €0.15 |
| Utopia BusterPremium Gold · 009 | Premium Gold | 009 | Gold Secret Rare | €0.22 |
| Utopian AuraGeneration Force · 074 | Generation Force | 074 | Common | €0.06 |
| Utopic OnomatopoeiaDuel Power · 009 | Duel Power | 009 | Ultra Rare | €0.07 |
| Uzuhime the Manifested MikankoMaze of Muertos · 018 | Maze of Muertos | 018 | Ultra Rare | €1.40 |
| Vaalmonica Chosen MelodyValiant Smashers · 040 | Valiant Smashers | 040 | Super Rare | €0.08 |
| Vaalmonica CreationThe Infinite Forbidden · 075 | The Infinite Forbidden | 075 | Common | €0.11 |
| Vaalmonica DisarmoniaLegacy of Destruction · 066 | Legacy of Destruction | 066 | Common | €0.05 |
| Vaalmonica EreditareRage of the Abyss · 078 | Rage of the Abyss | 078 | Common | €0.15 |
| Vaalmonica Followed RhythmValiant Smashers · 039 | Valiant Smashers | 039 | Super Rare | €0.13 |
| Vaalmonica IntonareValiant Smashers · 038 | Valiant Smashers | 038 | Super Rare | €0.10 |
| Vaalmonica InvitareLegacy of Destruction · 065 | Legacy of Destruction | 065 | Common | €0.04 |
| Vaalmonica SceltaValiant Smashers · 036 | Valiant Smashers | 036 | Ultra Rare | €4.81 |
| Vaalmonica, the Agathokakological VoiceValiant Smashers · 035 | Valiant Smashers | 035 | Ultra Rare | $3.21 |
| Vaalmonica VersareValiant Smashers · 037 | Valiant Smashers | 037 | Super Rare | €0.20 |
| Vagnawa the Moon-Eating DragonPhantom Nightmare · 043 | Phantom Nightmare | 043 | Common | $0.06 |
| Vague Shadow TokenUnlisted Printings | Unlisted Printings | — | — | — |