| Unflinching HortimancerReality Fracture · 23 | Reality Fracture | 23 | Common | €0.06 |
| UnforgeDarksteel · 71 | Darksteel | 71 | Common | €0.05 |
| Unforgiving AimLorwyn Eclipsed · 200 | Lorwyn Eclipsed | 200 | Common | €0.05 |
| Unfriendly FireIxalan · 172 | Ixalan | 172 | Common | $0.05 |
| Unglued Pea-Brained DinosaurUnfinity Sticker Sheets · 45 | Unfinity Sticker Sheets | 45 | Common | $0.59 |
| Unhallowed PactAvacyn Restored · 124 | Avacyn Restored | 124 | Common | €0.04 |
| Unhallowed PactConspiracy · 131 | Conspiracy | 131 | Common | €0.13 |
| Unhallowed PactDuel Decks: Nissa vs. Ob Nixilis Tokens · 64 | Duel Decks: Nissa vs. Ob Nixilis Tokens | 64 | Common | €0.09 |
| Unhallowed PhalanxInnistrad: Double Feature · 402 | Innistrad: Double Feature | 402 | Common | €0.23 |
| Unhallowed PhalanxInnistrad: Crimson Vow · 135 | Innistrad: Crimson Vow | 135 | Common | €0.11 |
| UnhingeTorment · 87 | Torment | 87 | Common | €0.07 |
| Unhinged Beast HuntUnfinity Sticker Sheets · 39 | Unfinity Sticker Sheets | 39 | Common | €0.17 |
| Unholy HeatModern Horizons 2 Timeshifts · 13 | Modern Horizons 2 Timeshifts | 13 | Common | $0.35 |
| Unholy HeatMystery Booster 2 Tokens · 63 | Mystery Booster 2 Tokens | 63 | Common | $0.22 |
| Unholy HeatModern Horizons 2 · 145 | Modern Horizons 2 | 145 | Common | €0.16 |
| Unholy HeatOutlaws of Thunder Junction Commander · 182 | Outlaws of Thunder Junction Commander | 182 | Common | €0.26 |
| Unholy HeatJumpstart: Historic Horizons · 529 | Jumpstart: Historic Horizons | 529 | Common | — |
| Unholy HungerMagic Origins · 125 | Magic Origins | 125 | Common | $0.03 |
| Unholy HungerUltimate Masters · 120 | Ultimate Masters | 120 | Common | $0.05 |
| Unholy IndentureCore Set 2020 · 119 | Core Set 2020 | 119 | Common | €0.23 |
| Unholy OfficiantInnistrad: Double Feature · 308 | Innistrad: Double Feature | 308 | Common | €0.09 |
| Unholy OfficiantInnistrad: Crimson Vow · 41 | Innistrad: Crimson Vow | 41 | Common | €0.09 |
| Unholy OfficiantInnistrad: Crimson Vow · 286 | Innistrad: Crimson Vow | 286 | Common | €0.09 |
| Unholy StrengthUnlimited Edition · 132 | Unlimited Edition | 132 | Common | $1.44 |
| Unholy StrengthRevised Edition · 133 | Revised Edition | 133 | Common | €0.26 |
| Unholy Strength30th Anniversary Edition · 128 | 30th Anniversary Edition | 128 | Common | €0.37 |
| Unholy Strength30th Anniversary Edition · 425 | 30th Anniversary Edition | 425 | Common | €29.99 |
| Unholy StrengthFourth Edition Foreign Black Border · 166 | Fourth Edition Foreign Black Border | 166 | Common | €0.32 |
| Unholy StrengthTenth Edition · 185 | Tenth Edition | 185 | Common | €0.05 |
| Unholy StrengthTenth Edition · 185★ | Tenth Edition | 185★ | Common | $0.07 |
| Unholy StrengthFourth Edition · 166 | Fourth Edition | 166 | Common | €0.08 |
| Unholy StrengthFifth Edition · 201 | Fifth Edition | 201 | Common | $0.09 |
| Unholy StrengthSeventh Edition · 168 | Seventh Edition | 168 | Common | $0.17 |
| Unholy StrengthSeventh Edition · 168★ | Seventh Edition | 168★ | Common | $0.17 |
| Unholy StrengthEighth Edition · 169 | Eighth Edition | 169 | Common | €0.07 |
| Unholy StrengthEighth Edition · 169★ | Eighth Edition | 169★ | Common | $0.28 |
| Unholy StrengthNinth Edition · 168 | Ninth Edition | 168 | Common | €0.03 |
| Unholy StrengthNinth Edition · 168★ | Ninth Edition | 168★ | Common | $0.09 |
| Unholy StrengthAnthologies · 28 | Anthologies | 28 | Common | $0.17 |
| Unholy StrengthCollectors' Edition · 132 | Collectors' Edition | 132 | Common | €2.73 |
| Unholy StrengthIntl. Collectors' Edition · 132 | Intl. Collectors' Edition | 132 | Common | $9.23 |
| Unholy StrengthDuel Decks: Divine vs. Demonic · 47 | Duel Decks: Divine vs. Demonic | 47 | Common | €0.14 |
| Unholy StrengthDuels of the Planeswalkers · 36 | Duels of the Planeswalkers | 36 | Common | €0.12 |
| Unholy StrengthDuel Decks Anthology: Divine vs. Demonic · 47 | Duel Decks Anthology: Divine vs. Demonic | 47 | Common | €0.09 |
| Unholy StrengthForeign Black Border · 133 | Foreign Black Border | 133 | Common | €0.41 |
| Unholy StrengthLimited Edition Alpha · 131 | Limited Edition Alpha | 131 | Common | €32.86 |
| Unholy StrengthLimited Edition Beta · 132 | Limited Edition Beta | 132 | Common | €9.04 |
| Unholy StrengthMagic 2010 · 116 | Magic 2010 | 116 | Common | €0.06 |
| Unholy StrengthMagic 2011 · 119 | Magic 2011 | 119 | Common | €0.04 |
| Unholy StrengthSalvat 2011 · 87 | Salvat 2011 | 87 | Common | €0.24 |