| Unclaimed TerritoryCommander 2020 · 320 | Commander 2020 | 320 | Uncommon | €0.30 |
| Unclaimed TerritoryCommander Masters · 1050 | Commander Masters | 1050 | Uncommon | $0.35 |
| Unclaimed TerritoryLorwyn Eclipsed Commander · 175 | Lorwyn Eclipsed Commander | 175 | Uncommon | $0.30 |
| Unclaimed TerritoryThe Lost Caverns of Ixalan Commander · 366 | The Lost Caverns of Ixalan Commander | 366 | Uncommon | $0.31 |
| Unclaimed TerritoryModern Horizons 3 Commander · 399 | Modern Horizons 3 Commander | 399 | Uncommon | $0.40 |
| Unclaimed TerritoryMidnight Hunt Commander · 187 | Midnight Hunt Commander | 187 | Uncommon | $0.32 |
| Unclaimed TerritoryMarvel Super Heroes Commander · 275 | Marvel Super Heroes Commander | 275 | Uncommon | €0.25 |
| Unclaimed TerritoryWizards Play Network 2023 · 11 | Wizards Play Network 2023 | 11 | Rare | €0.68 |
| Unclaimed TerritoryIxalan Promos · 258 | Ixalan Promos | 258 | Uncommon | €0.21 |
| Unclaimed TerritoryThe List Tokens · XLN-258 | The List Tokens | XLN-258 | Uncommon | $0.37 |
| Unclaimed TerritoryCrimson Vow Commander · 188 | Crimson Vow Commander | 188 | Uncommon | €0.33 |
| Unclaimed TerritoryIxalan · 258 | Ixalan | 258 | Uncommon | €0.36 |
| Uncle IrohAvatar: The Last Airbender · 248 | Avatar: The Last Airbender | 248 | Uncommon | €0.09 |
| Uncle IstvanFourth Edition Foreign Black Border · 165 | Fourth Edition Foreign Black Border | 165 | Uncommon | €1.06 |
| Uncle IstvanFourth Edition · 165 | Fourth Edition | 165 | Uncommon | $0.27 |
| Uncle IstvanThe Dark · 54 | The Dark | 54 | Uncommon | €1.60 |
| Uncle IstvanRenaissance · 66 | Renaissance | 66 | Uncommon | €0.55 |
| Uncle IstvanTime Spiral Timeshifted · 51 | Time Spiral Timeshifted | 51 | Special | €0.27 |
| Uncle's MusingsAvatar: The Last Airbender Eternal · 73 | Avatar: The Last Airbender Eternal | 73 | Rare | $0.46 |
| Uncle's Musings // Uncle's MusingsAvatar: the Last Airbender Eternal Art Series · 12 | Avatar: the Last Airbender Eternal Art Series | 12 | — | — |
| Uncomfortable ChillFoundations Jumpstart · 111 | Foundations Jumpstart | 111 | Common | €0.09 |
| Uncomfortable ChillCore Set 2019 · 82 | Core Set 2019 | 82 | Common | €0.02 |
| Uncomfortable ChillThe List Tokens · M19-82 | The List Tokens | M19-82 | Common | €0.10 |
| Uncontrollable AngerTenth Edition · 244 | Tenth Edition | 244 | Common | €0.04 |
| Uncontrollable AngerTenth Edition · 244★ | Tenth Edition | 244★ | Common | €0.04 |
| Uncontrollable AngerChampions of Kamigawa · 195 | Champions of Kamigawa | 195 | Common | €0.03 |
| Uncontrollable AngerConspiracy · 155 | Conspiracy | 155 | Uncommon | $0.05 |
| Uncontrolled InfestationScourge · 108 | Scourge | 108 | Common | €0.07 |
| Unconventional TacticsHour of Devastation · 27 | Hour of Devastation | 27 | Uncommon | €0.07 |
| Unconventional TacticsAmonkhet Remastered · 43 | Amonkhet Remastered | 43 | Uncommon | — |
| Uncovered CluesDragon's Maze · 19 | Dragon's Maze | 19 | Common | $0.11 |
| Uncover the Moon-LettersThe Hobbit · 57 | The Hobbit | 57 | Rare | $0.30 |
| Uncover the Moon-LettersThe Hobbit · 293 | The Hobbit | 293 | Rare | €0.62 |
| Unctus, Grand MetatectPhyrexia: All Will Be One · 75 | Phyrexia: All Will Be One | 75 | Rare | $0.39 |
| Unctus, Grand MetatectPhyrexia: All Will Be One · 303 | Phyrexia: All Will Be One | 303 | Rare | €0.47 |
| Unctus, Grand MetatectPhyrexia: All Will Be One · 433 | Phyrexia: All Will Be One | 433 | Rare | €2.76 |
| Unctus, Grand MetatectPhyrexia: All Will Be One Promos · 75p | Phyrexia: All Will Be One Promos | 75p | Rare | €0.36 |
| Unctus, Grand MetatectPhyrexia: All Will Be One Promos · 75s | Phyrexia: All Will Be One Promos | 75s | Rare | €1.05 |
| Unctus's RetrofitterPhyrexia: All Will Be One · 76 | Phyrexia: All Will Be One | 76 | Uncommon | €0.04 |
| UndeadFoundations Front Cards · 6 | Foundations Front Cards | 6 | — | — |
| Undead AlchemistInnistrad · 84 | Innistrad | 84 | Rare | €0.85 |
| Undead AlchemistMidnight Hunt Commander · 105 | Midnight Hunt Commander | 105 | Rare | €0.74 |
| Undead AlchemistSecret Lair Drop Tokens · 836 | Secret Lair Drop Tokens | 836 | Rare | $5.76 |
| Undead AugurAetherdrift Commander · 100 | Aetherdrift Commander | 100 | Uncommon | €0.21 |
| Undead AugurModern Horizons 1 Timeshifts · 15 | Modern Horizons 1 Timeshifts | 15 | Uncommon | €0.43 |
| Undead AugurJumpstart 2022 · 482 | Jumpstart 2022 | 482 | Uncommon | €0.27 |
| Undead AugurModern Horizons · 112 | Modern Horizons | 112 | Uncommon | €0.25 |
| Undead AugurMidnight Hunt Commander · 130 | Midnight Hunt Commander | 130 | Uncommon | $0.34 |
| Undead AugurStarter Commander Decks · 114 | Starter Commander Decks | 114 | Uncommon | $0.17 |
| Undead AugurThe List Tokens · MH1-112 | The List Tokens | MH1-112 | Uncommon | $0.14 |