| Unnatural GrowthWilds of Eldraine: Enchanting Tales · 62 | Wilds of Eldraine: Enchanting Tales | 62 | Rare | €2.48 |
| Unnatural GrowthMagic Online Promos · 94038 | Magic Online Promos | 94038 | Rare | — |
| Unnatural GrowthFoundations Commander · 238 | Foundations Commander | 238 | Rare | $1.50 |
| Unnatural GrowthSecret Lair Drop Tokens · 2599 | Secret Lair Drop Tokens | 2599 | Rare | $4.66 |
| Unnatural Growth // Unnatural GrowthWilds of Eldraine Art Series · 75 | Wilds of Eldraine Art Series | 75 | — | — |
| Unnatural HungerMercadian Masques · 169 | Mercadian Masques | 169 | Rare | €0.40 |
| Unnatural MoonriseInnistrad: Double Feature · 247 | Innistrad: Double Feature | 247 | Uncommon | €0.27 |
| Unnatural MoonriseInnistrad: Midnight Hunt · 247 | Innistrad: Midnight Hunt | 247 | Uncommon | €0.14 |
| Unnatural Moonrise // Unnatural MoonriseMidnight Hunt Art Series · 70 | Midnight Hunt Art Series | 70 | — | — |
| Unnatural PredationMirrodin Besieged · 93 | Mirrodin Besieged | 93 | Common | $0.09 |
| Unnatural RestorationPhyrexia: All Will Be One · 191 | Phyrexia: All Will Be One | 191 | Uncommon | €0.56 |
| Unnatural SelectionApocalypse · 32 | Apocalypse | 32 | Rare | €1.52 |
| Unnatural SelectionMystery Booster 2 Tokens · 38 | Mystery Booster 2 Tokens | 38 | Rare | $0.19 |
| Unnatural SpeedChampions of Kamigawa · 197 | Champions of Kamigawa | 197 | Common | €0.08 |
| Unnatural SummonsAlchemy: Duskmourn · 27 | Alchemy: Duskmourn | 27 | Rare | — |
| UnnerveBattle Royale Box Set · 91 | Battle Royale Box Set | 91 | Common | $0.40 |
| UnnerveCommander Anthology Volume II · 81 | Commander Anthology Volume II | 81 | Common | €0.21 |
| UnnerveCommander 2011 · 105 | Commander 2011 | 105 | Common | €0.19 |
| UnnerveConspiracy: Take the Crown · 150 | Conspiracy: Take the Crown | 150 | Common | €0.12 |
| UnnerveUrza's Saga · 162 | Urza's Saga | 162 | Common | $0.15 |
| Unnerving AssaultEventide · 114 | Eventide | 114 | Uncommon | €0.10 |
| Unnerving GraspDuskmourn: House of Horror · 80 | Duskmourn: House of Horror | 80 | Uncommon | €0.06 |
| Unpredictable CycloneIkoria: Lair of Behemoths · 139 | Ikoria: Lair of Behemoths | 139 | Rare | €0.13 |
| Unpredictable CycloneIkoria: Lair of Behemoths · 325 | Ikoria: Lair of Behemoths | 325 | Rare | $0.33 |
| Unpredictable CycloneIkoria: Lair of Behemoths Promos · 139p | Ikoria: Lair of Behemoths Promos | 139p | Rare | €0.19 |
| Unpredictable CycloneIkoria: Lair of Behemoths Promos · 139s | Ikoria: Lair of Behemoths Promos | 139s | Rare | €0.02 |
| Unpredictable CycloneMagic Online Promos · 80885 | Magic Online Promos | 80885 | Rare | — |
| Unquenchable FuryNeon Dynasty Commander · 23 | Neon Dynasty Commander | 23 | Rare | €0.15 |
| Unquenchable FuryNeon Dynasty Commander · 63 | Neon Dynasty Commander | 63 | Rare | €0.10 |
| Unquenchable FuryBattle the Horde Tokens · 10 | Battle the Horde Tokens | 10 | Common | $0.49 |
| Unquenchable Fury // Unquenchable FuryNeon Dynasty Art Series · 39 | Neon Dynasty Art Series | 39 | — | — |
| Unquenchable ThirstHour of Devastation · 53 | Hour of Devastation | 53 | Common | €0.04 |
| Unquenchable ThirstAmonkhet Remastered · 86 | Amonkhet Remastered | 86 | Common | — |
| Unquestioned AuthorityCommander 2018 · 78 | Commander 2018 | 78 | Uncommon | €1.53 |
| Unquestioned AuthorityConspiracy · 85 | Conspiracy | 85 | Uncommon | €0.89 |
| Unquestioned AuthorityCommander Legends · 389 | Commander Legends | 389 | Uncommon | €0.75 |
| Unquestioned AuthorityJudgment · 31 | Judgment | 31 | Uncommon | €1.12 |
| Unquestioned AuthorityJumpstart 2022 · 260 | Jumpstart 2022 | 260 | Uncommon | €1.42 |
| Unquestioned AuthorityThe List Tokens · JUD-31 | The List Tokens | JUD-31 | Uncommon | — |
| UnravelEdge of Eternities · 83 | Edge of Eternities | 83 | Uncommon | €0.05 |
| Unraveling MummyHour of Devastation · 147 | Hour of Devastation | 147 | Uncommon | €0.13 |
| Unravel the AetherBorn of the Gods · 143 | Born of the Gods | 143 | Uncommon | €0.21 |
| Unravel the AetherPioneer Masters · 198 | Pioneer Masters | 198 | Common | — |
| Unrooted AncestorTarkir: Dragonstorm · 96 | Tarkir: Dragonstorm | 96 | Uncommon | €0.04 |
| Unruly CatapultWilds of Eldraine · 156 | Wilds of Eldraine | 156 | Common | €0.16 |
| Unruly KrasisRavnica: Clue Edition · 50 | Ravnica: Clue Edition | 50 | Rare | €0.35 |
| Unruly MobInnistrad: Double Feature · 40 | Innistrad: Double Feature | 40 | Common | €0.08 |
| Unruly MobInnistrad · 39 | Innistrad | 39 | Common | €0.06 |
| Unruly MobInnistrad: Midnight Hunt · 40 | Innistrad: Midnight Hunt | 40 | Common | €0.03 |
| Unruly MobShadows over Innistrad · 47 | Shadows over Innistrad | 47 | Common | €0.03 |