| Unsanctioned Ancient JugglerUnfinity Sticker Sheets · 13 | Unfinity Sticker Sheets | 13 | Common | $1.15 |
| Unscrupulous AgentMurders at Karlov Manor · 109 | Murders at Karlov Manor | 109 | Common | €0.07 |
| Unscrupulous ContractorOutlaws of Thunder Junction · 112 | Outlaws of Thunder Junction | 112 | Uncommon | €0.10 |
| Unscythe, Killer of KingsAlara Reborn · 114 | Alara Reborn | 114 | Rare | €0.92 |
| Unseal the NecropolisMarch of the Machine · 128 | March of the Machine | 128 | Common | €0.08 |
| Unseal the NecropolisThe List Tokens · MOM-128 | The List Tokens | MOM-128 | Common | $0.15 |
| Unseen WalkerClassic Sixth Edition · 262 | Classic Sixth Edition | 262 | Uncommon | €0.12 |
| Unseen WalkerMirage · 249 | Mirage | 249 | Uncommon | €0.21 |
| Unsettled MarinerModern Horizons · 216 | Modern Horizons | 216 | Rare | $3.10 |
| Unsettled MarinerThe List Tokens · MH1-216 | The List Tokens | MH1-216 | Rare | $5.10 |
| Unsettling TwinsDuskmourn: House of Horror · 38 | Duskmourn: House of Horror | 38 | Common | €0.10 |
| Unshakable TailMurders at Karlov Manor Commander · 29 | Murders at Karlov Manor Commander | 29 | Rare | €0.27 |
| Unshakable TailMurders at Karlov Manor Commander · 339 | Murders at Karlov Manor Commander | 339 | Rare | €0.40 |
| Unsparing BoltcasterTarkir: Dragonstorm · 130 | Tarkir: Dragonstorm | 130 | Uncommon | €0.04 |
| Unspeakable SymbolThe List Tokens · SCG-79 | The List Tokens | SCG-79 | Uncommon | $1.19 |
| Unspeakable SymbolScourge · 79 | Scourge | 79 | Uncommon | €1.10 |
| Unstable AmuletModern Horizons 3 · 142 | Modern Horizons 3 | 142 | Uncommon | €0.17 |
| Unstable AmuletModern Horizons 3 · 421 | Modern Horizons 3 | 421 | Uncommon | €0.23 |
| Unstable AmuletModern Horizons 3 · 514 | Modern Horizons 3 | 514 | Uncommon | $0.59 |
| Unstable ExperimentMarvel Super Heroes Commander · 789 | Marvel Super Heroes Commander | 789 | Common | €0.14 |
| Unstable ExperimentMarvel's Spider-Man · 47 | Marvel's Spider-Man | 47 | Common | €0.07 |
| Unstable ExperimentThrough the Omenpaths · 45 | Through the Omenpaths | 45 | Common | — |
| Unstable FootingZendikar · 153 | Zendikar | 153 | Uncommon | €0.10 |
| Unstable FrontierConflux · 145 | Conflux | 145 | Uncommon | €0.11 |
| Unstable FrontierThe List Tokens · CON-145 | The List Tokens | CON-145 | Uncommon | $0.11 |
| Unstable Glyphbridge // Sandswirl WanderglyphThe Lost Caverns of Ixalan · 41 | The Lost Caverns of Ixalan | 41 | Rare | €0.26 |
| Unstable Glyphbridge // Sandswirl WanderglyphThe Lost Caverns of Ixalan · 358 | The Lost Caverns of Ixalan | 358 | Rare | €0.32 |
| Unstable HulkLegions · 115 | Legions | 115 | Rare | €0.16 |
| Unstable Molecule SuitMarvel Super Heroes Commander · 116 | Marvel Super Heroes Commander | 116 | Rare | €1.03 |
| Unstable Molecule SuitMarvel Super Heroes Commander · 457 | Marvel Super Heroes Commander | 457 | Rare | €2.95 |
| Unstable MutationRevised Edition · 86 | Revised Edition | 86 | Common | $0.19 |
| Unstable MutationFourth Edition Foreign Black Border · 110 | Fourth Edition Foreign Black Border | 110 | Common | €0.22 |
| Unstable MutationFourth Edition · 110 | Fourth Edition | 110 | Common | €0.10 |
| Unstable MutationFifth Edition · 131 | Fifth Edition | 131 | Common | $0.19 |
| Unstable MutationArabian Nights · 22 | Arabian Nights | 22 | Common | $5.02 |
| Unstable MutationForeign Black Border · 86 | Foreign Black Border | 86 | Common | €0.20 |
| Unstable MutationSummer Magic / Edgar · 86 | Summer Magic / Edgar | 86 | Common | €275.00 |
| Unstable MutationTime Spiral Timeshifted · 33 | Time Spiral Timeshifted | 33 | Special | $0.19 |
| Unstable MutationUltimate Masters · 80 | Ultimate Masters | 80 | Uncommon | $0.07 |
| Unstable ObeliskWarhammer 40,000 Commander · 260 | Warhammer 40,000 Commander | 260 | Common | $0.37 |
| Unstable ObeliskWarhammer 40,000 Commander · 260★ | Warhammer 40,000 Commander | 260★ | Common | $2.35 |
| Unstable ObeliskForgotten Realms Commander · 220 | Forgotten Realms Commander | 220 | Uncommon | €0.16 |
| Unstable ObeliskCommander 2014 · 58 | Commander 2014 | 58 | Uncommon | €0.15 |
| Unstable ObeliskCommander 2017 · 229 | Commander 2017 | 229 | Uncommon | $0.17 |
| Unstable ObeliskCommander 2018 · 227 | Commander 2018 | 227 | Uncommon | €0.22 |
| Unstable ObeliskCommander 2021 · 272 | Commander 2021 | 272 | Uncommon | €0.11 |
| Unstable ObeliskCommander Anthology Volume II · 227 | Commander Anthology Volume II | 227 | Uncommon | €0.19 |
| Unstable ObeliskCommander Masters · 416 | Commander Masters | 416 | Common | €0.15 |
| Unstable ObeliskJumpstart · 489 | Jumpstart | 489 | Uncommon | €0.02 |
| Unstable ObeliskStarter Commander Decks · 286 | Starter Commander Decks | 286 | Uncommon | €0.09 |