| OverrunWorld Championship Decks 1999 Tokens · ml243sb | World Championship Decks 1999 Tokens | ml243sb | Uncommon | €0.48 |
| OverrunTempest Remastered · 185 | Tempest Remastered | 185 | Uncommon | — |
| Overseer of the DamnedCommander 2014 · 28 | Commander 2014 | 28 | Rare | $0.45 |
| Overseer of the DamnedCommander 2019 · 125 | Commander 2019 | 125 | Rare | €0.19 |
| Overseer of the DamnedArchenemy: Nicol Bolas · 36 | Archenemy: Nicol Bolas | 36 | Rare | €0.32 |
| Overseer of the DamnedMidnight Hunt Commander · 127 | Midnight Hunt Commander | 127 | Rare | €0.10 |
| Overseer of the DamnedMurders at Karlov Manor Commander · 132 | Murders at Karlov Manor Commander | 132 | Rare | €0.20 |
| Overseer of the DamnedStarter Commander Decks · 98 | Starter Commander Decks | 98 | Rare | €0.23 |
| Overseer of Vault 76Fallout · 19 | Fallout | 19 | Rare | €0.18 |
| Overseer of Vault 76Fallout · 368 | Fallout | 368 | Rare | €0.31 |
| Overseer of Vault 76Fallout · 547 | Fallout | 547 | Rare | €0.93 |
| Overseer of Vault 76Fallout · 896 | Fallout | 896 | Rare | $0.88 |
| OversimplifyCommander 2021 · 72 | Commander 2021 | 72 | Rare | €0.10 |
| OversimplifyCommander 2021 · 399 | Commander 2021 | 399 | Rare | €0.50 |
| OversimplifyDuskmourn: House of Horror Commander · 228 | Duskmourn: House of Horror Commander | 228 | Rare | €0.12 |
| OversimplifySecrets of Strixhaven Commander · 322 | Secrets of Strixhaven Commander | 322 | Rare | €0.12 |
| OversimplifyMagic Online Promos · 90222 | Magic Online Promos | 90222 | Rare | — |
| Oversold CemeteryDominaria Remastered · 96 | Dominaria Remastered | 96 | Rare | €1.30 |
| Oversold CemeteryDominaria Remastered · 309 | Dominaria Remastered | 309 | Rare | $1.26 |
| Oversold CemeteryDominaria Remastered · 428 | Dominaria Remastered | 428 | Rare | €1.65 |
| Oversold CemeteryJumpstart 2022 · 453 | Jumpstart 2022 | 453 | Rare | €1.26 |
| Oversold CemeteryOnslaught · 160 | Onslaught | 160 | Rare | €2.41 |
| Oversold CemeteryWilds of Eldraine: Enchanting Tales · 33 | Wilds of Eldraine: Enchanting Tales | 33 | Rare | €1.29 |
| Oversold CemeteryFoundations Commander · 122 | Foundations Commander | 122 | Rare | $0.49 |
| Oversoul of DuskShadowmoor · 234 | Shadowmoor | 234 | Rare | €0.52 |
| OvertakerMercadian Masques · 89 | Mercadian Masques | 89 | Rare | €0.44 |
| OvertakerMercadian Masques Promos · 89 | Mercadian Masques Promos | 89 | Rare | €2.50 |
| OvertakerMagic Online Promos · 32202 | Magic Online Promos | 32202 | Rare | — |
| Over the EdgeThe Lost Caverns of Ixalan · 205 | The Lost Caverns of Ixalan | 205 | Common | €0.11 |
| Over the TopThe Brothers' War · 146 | The Brothers' War | 146 | Rare | €0.17 |
| Over the TopThe Brothers' War · 340 | The Brothers' War | 340 | Rare | €0.21 |
| Over the TopThe Brothers' War Promos Tokens · 146p | The Brothers' War Promos Tokens | 146p | Rare | €0.20 |
| Over the TopThe Brothers' War Promos Tokens · 146s | The Brothers' War Promos Tokens | 146s | Rare | €0.47 |
| Over the TopMagic Online Promos · 105746 | Magic Online Promos | 105746 | Rare | — |
| Overt OperativeUnstable · 64 | Unstable | 64 | Uncommon | €0.02 |
| OverwhelmFoundations Jumpstart · 697 | Foundations Jumpstart | 697 | Uncommon | €0.14 |
| OverwhelmMagic 2015 · 189 | Magic 2015 | 189 | Uncommon | €0.02 |
| OverwhelmModern Masters 2015 · 152 | Modern Masters 2015 | 152 | Uncommon | $0.05 |
| OverwhelmSalvat 2005 · J39 | Salvat 2005 | J39 | Uncommon | €0.17 |
| OverwhelmRavnica: City of Guilds · 175 | Ravnica: City of Guilds | 175 | Uncommon | $0.05 |
| OverwhelmRavnica Remastered · 152 | Ravnica Remastered | 152 | Uncommon | €0.05 |
| Overwhelmed ApprenticeThrone of Eldraine · 60 | Throne of Eldraine | 60 | Uncommon | €0.12 |
| Overwhelmed ApprenticeJumpstart 2022 · 333 | Jumpstart 2022 | 333 | Uncommon | $0.16 |
| Overwhelmed Archivist // Archive HauntInnistrad: Double Feature · 68 | Innistrad: Double Feature | 68 | Uncommon | €0.13 |
| Overwhelmed Archivist // Archive HauntInnistrad: Midnight Hunt · 68 | Innistrad: Midnight Hunt | 68 | Uncommon | €0.08 |
| Overwhelming DenialOath of the Gatewatch · 61 | Oath of the Gatewatch | 61 | Rare | €0.13 |
| Overwhelming DenialOath of the Gatewatch Promos · 61s | Oath of the Gatewatch Promos | 61s | Rare | €0.61 |
| Overwhelming EncounterCommander Legends: Battle for Baldur's Gate · 245 | Commander Legends: Battle for Baldur's Gate | 245 | Uncommon | €0.13 |
| Overwhelming EncounterThe List Tokens · CLB-245 | The List Tokens | CLB-245 | Uncommon | $0.13 |
| Overwhelming ForcesJudge Gift Cards 2013 Tokens · 6 | Judge Gift Cards 2013 Tokens | 6 | Rare | €14.31 |