Magic: the Gathering (Cards)
| Name | Collector Number |
|---|---|
| Unbound Flourishing Secret Lair Drop | 1331 |
| Unblinking Observer // Unblinking Observer (2 variants) Midnight Hunt Art Series | 31 |
| Unblinking Observer (22 variants) Innistrad: Midnight Hunt | 82 |
| Unblinking Observer (2 variants) Innistrad: Double Feature | 82 |
| Unblinking Bleb (18 variants) Future Sight | 45 |
| Unbender Tine Archenemy | 97 |
| Unbender Tine (18 variants) Alara Reborn | 15 |
| Unauthorized Exit // Unauthorized Exit (2 variants) Murders at Karlov Manor Art Series | 30 |
| Unauthorized Exit (16 variants) Murders at Karlov Manor | 74 |
| Unauthorized Exit (16 variants) Murders at Karlov Manor | 298 |
| Unassuming Sage (16 variants) Wilds of Eldraine | 37 |
| Unassuming Gelatinous Serpent Unfinity Sticker Sheets | 36 |
| Unagi's Spray (8 variants) Avatar: The Last Airbender Eternal | 97 |
| Unable to Scream (12 variants) Duskmourn: House of Horror | 78 |
| Una Dozzina di Occhi Salvat 2005 | K40 |
| Umori, the Collector (16 variants) Multiverse Legends | 62 |
| Umori, the Collector Ikoria: Lair of Behemoths Promos | 231s |
| Umori, the Collector (2 variants) Ikoria: Lair of Behemoths Promos | 231p |
| Umori, the Collector (22 variants) Ikoria: Lair of Behemoths | 231 |
| Umori, the Collector Multiverse Legends | 192 |
| Umori, the Collector (2 variants) Ikoria: Lair of Behemoths | 358 |
| Umori, the Collector Multiverse Legends | 127 |
| Umori, the Collector Multiverse Legends | 192z |
| Umgekehrte Polarität (3 variants) Foreign Black Border | 36 |
| Umezawa's Jitte Grand Prix Promos | 2010 |
| Umezawa's Jitte (4 variants) Secret Lair Drop | 1865 |
| Umezawa's Jitte (2 variants) Secret Lair Drop | 1288 |
| Umezawa's Jitte (16 variants) Betrayers of Kamigawa | 163 |
| Umezawa's Jitte The List | BOK-163 |
| Umezawa's Jitte From the Vault: Lore | 14 |
| Umezawa's Jitte (12 variants) Teenage Mutant Ninja Turtles Source Material | 19 |
| Umezawa's Charm // Umezawa's Charm Modern Horizons Art Series | 15 |
| Umezawa's Charm (22 variants) Modern Horizons | 111 |
| Umbris, Fear Manifest Secret Lair Drop | 2339 |
| Umbris, Fear Manifest (7 variants) Crimson Vow Commander | 76 |
| Umbris, Fear Manifest (2 variants) Secret Lair Drop | 2324 |
| Umbris, Fear Manifest (17 variants) Crimson Vow Commander | 38 |
| Umbral Mantle The List | SHM-267 |
| Umbral Mantle Mystery Booster 2 | 101 |
| Umbral Mantle (18 variants) Shadowmoor | 267 |
| Umbral Juke (22 variants) Strixhaven: School of Mages | 89 |
| Umbral Expanse (6 variants) Secrets of Strixhaven Commander | 60 |
| Umbral Expanse (4 variants) Secrets of Strixhaven Commander | 108 |
| Umbral Collar Zealot (12 variants) Edge of Eternities | 123 |
| Umbral Collar Zealot (4 variants) Edge of Eternities | 395 |
| Umbral Collar Zealot (6 variants) Secrets of Strixhaven Commander | 227 |
| Umbra Stalker (18 variants) Eventide | 48 |
| Umbra Mystic (18 variants) Rise of the Eldrazi | 52 |
| Umbra Mystic (6 variants) Wilds of Eldraine Commander | 82 |
| Umbilicus (16 variants) Dominaria Remastered | 237 |