Magic: the Gathering (Cards)
| Name | Collector Number |
|---|---|
| Unleash Fury (6 variants) Foundations Jumpstart | 608 |
| Unlawful Entry Unfinity | 348 |
| Unlawful Entry (2 variants) Unfinity | 62 |
| Unknown Shores (22 variants) Ixalan | 259 |
| Unknown Shores (22 variants) Theros Beyond Death | 249 |
| Unknown Shores (22 variants) Oath of the Gatewatch | 181 |
| Unknown Shores (22 variants) Theros | 229 |
| Unknown Event Shores Unknown Event | CL01b |
| Unknown Event Black Lotus Unknown Planechase | PLA010 |
| University Campus (12 variants) Marvel's Spider-Man | 186 |
| Universal Surveillance // Universal Surveillance (2 variants) Neon Dynasty Art Series | 27 |
| Universal Surveillance (6 variants) Edge of Eternities Commander | 81 |
| Universal Surveillance (10 variants) Neon Dynasty Commander | 17 |
| Universal Surveillance (5 variants) Neon Dynasty Commander | 54 |
| Universal Solvent (22 variants) Commander Legends: Battle for Baldur's Gate | 342 |
| Universal Solvent (6 variants) Foundations Jumpstart | 761 |
| Universal Solvent (7 variants) Jumpstart 2022 | 804 |
| Universal Solvent (18 variants) Commander Legends | 347 |
| Universal Solvent The List | AER-178 |
| Universal Solvent (22 variants) Aether Revolt | 178 |
| Universal Automaton (7 variants) Jumpstart 2022 | 803 |
| Universal Automaton (22 variants) Modern Horizons | 235 |
| Universal Automaton The List | J22-803 |
| Universal Automaton The List | MH1-235 |
| Universal Automaton (2 variants) Modern Horizons 1 Timeshifts | 38 |
| Unity of Purpose (22 variants) Oath of the Gatewatch | 66 |
| United Front Avatar: The Last Airbender Promos | 39s |
| United Front (12 variants) Avatar: The Last Airbender | 39 |
| United Front (2 variants) Avatar: The Last Airbender | 331 |
| United Battlefront // United Battlefront (2 variants) Tarkir: Dragonstorm Art Series | 5 |
| United Battlefront (2 variants) Tarkir: Dragonstorm Promos | 32p |
| United Battlefront (12 variants) Tarkir: Dragonstorm | 32 |
| United Battlefront Tarkir: Dragonstorm Promos | 32s |
| United Battlefront (12 variants) Tarkir: Dragonstorm | 330 |
| Unite the Coalition (5 variants) Dominaria United Commander | 91 |
| Unite the Coalition (8 variants) Dominaria United Commander | 15 |
| UNIT Headquarters Doctor Who | 604 |
| Unique Charmed Pants Unfinity Sticker Sheets | 38 |
| Union of the Third Path (16 variants) The Brothers' War | 31 |
| Uninvited Geist // Unimpeded Trespasser (22 variants) Shadows over Innistrad | 94 |
| Unifying Theory (18 variants) Odyssey | 112 |
| Unified Will (18 variants) Rise of the Eldrazi | 92 |
| Unified Strike (18 variants) Onslaught | 58 |
| Unified Lunge Face the Hydra | 15 |
| Unified Front (22 variants) Battle for Zendikar | 53 |
| Unidentified Hovership // Unidentified Hovership (2 variants) Duskmourn: House of Horror Art Series | 2 |
| Unidentified Hovership (12 variants) Duskmourn: House of Horror | 305 |
| Unidentified Hovership (2 variants) Duskmourn: House of Horror Promos | 37p |
| Unidentified Hovership Duskmourn: House of Horror Promos | 37s |
| Unidentified Hovership (12 variants) Duskmourn: House of Horror | 37 |