Magic: the Gathering (Cards)
| Name | Collector Number |
|---|---|
| Outlaws' Fury (16 variants) Outlaws of Thunder Junction | 136 |
| Outlaw Stitcher (16 variants) Outlaws of Thunder Junction | 59 |
| Outlaw Medic (16 variants) Outlaws of Thunder Junction | 23 |
| Outland Liberator // Frenzied Trapbreaker (20 variants) Innistrad: Midnight Hunt | 190 |
| Outland Liberator // Frenzied Trapbreaker (2 variants) Innistrad: Midnight Hunt | 303 |
| Outland Liberator // Frenzied Trapbreaker (2 variants) Innistrad: Double Feature | 190 |
| Outland Colossus (22 variants) Magic Origins | 193 |
| Outland Colossus Magic Origins Promos | 193s |
| Outland Colossus Magic Origins Promos | 193★ |
| Outland Boar (22 variants) Aether Revolt | 132 |
| Outflank (6 variants) Foundations Jumpstart | 233 |
| Outflank (22 variants) Throne of Eldraine | 23 |
| Outcaster Trailblazer // Outcaster Trailblazer (2 variants) Outlaws of Thunder Junction Art Series | 14 |
| Outcaster Trailblazer Outlaws of Thunder Junction Promos | 173s |
| Outcaster Trailblazer (10 variants) Outlaws of Thunder Junction | 343 |
| Outcaster Trailblazer (16 variants) Outlaws of Thunder Junction | 173 |
| Outcaster Trailblazer (2 variants) Outlaws of Thunder Junction Promos | 173p |
| Outcaster Greenblade (16 variants) Outlaws of Thunder Junction | 172 |
| Outbreak (16 variants) Prophecy | 71 |
| Out of Town Unknown Event | UW11a |
| Out of Time (8 variants) Doctor Who | 209 |
| Out of Time (2 variants) Modern Horizons 2 Promos | 23p |
| Out of Time (12 variants) Modern Horizons 2 | 442 |
| Out of Time (22 variants) Modern Horizons 2 | 23 |
| Out of Time (23 variants) Modern Horizons 2 | 383 |
| Out of Time (4 variants) Doctor Who | 467 |
| Out of Time Doctor Who | 1058 |
| Out of Time Modern Horizons 2 Promos | 23s |
| Out of Time Doctor Who | 800 |
| Out of the Way (22 variants) Streets of New Capenna | 52 |
| Out of the Tombs (8 variants) Warhammer 40,000 Commander | 46 |
| Out of the Tombs Warhammer 40,000 Commander | 46★ |
| Out of Bounds (6 variants) Battlebond | 38 |
| Out of Air (16 variants) The Lost Caverns of Ixalan | 69 |
| Out Cold (16 variants) Murders at Karlov Manor | 66 |
| Oust Ravnica: Clue Edition | 67 |
| Oust The List | DDP-7 |
| Oust (18 variants) Rise of the Eldrazi | 40 |
| Oust (2 variants) Duel Decks: Zendikar vs. Eldrazi | 7 |
| Ouroboroid Edge of Eternities Promos | 201s |
| Ouroboroid (2 variants) Edge of Eternities Promos | 201p |
| Ouroboroid (12 variants) Edge of Eternities | 201 |
| Ouroboroid (8 variants) Edge of Eternities | 345 |
| Our Market Research Shows That Players Like Really Long Card Names So We Made this Card to Have the Absolute Longest Card Name Ever Elemental (2 variants) Unhinged | 107 |
| Ouphe Vandals (16 variants) Fifth Dawn | 90 |
| Oubliette Arabian Nights | 31 |
| Oubliette (10 variants) Double Masters | 100 |
| Oubliette The List | 2XM-100 |
| Oubliette Arabian Nights | 31† |
| Oubliette (2 variants) Secret Lair Drop | 1794 |