| Selfie PreservationUnstable · 119 | Unstable | 119 | Common | $0.10 |
| Selfless CatharInnistrad · 30 | Innistrad | 30 | Common | $0.04 |
| Selfless CatharMagic 2015 · 31 | Magic 2015 | 31 | Common | €0.07 |
| Selfless CatharJumpstart: Historic Horizons · 126 | Jumpstart: Historic Horizons | 126 | Common | — |
| Selfless Police CaptainMarvel Super Heroes Commander · 774 | Marvel Super Heroes Commander | 774 | Common | €0.11 |
| Selfless Police CaptainMarvel's Spider-Man · 12 | Marvel's Spider-Man | 12 | Common | €0.05 |
| Selfless Police CaptainThrough the Omenpaths · 8 | Through the Omenpaths | 8 | Common | — |
| Selhoff EntomberInnistrad: Double Feature · 343 | Innistrad: Double Feature | 343 | Common | €0.09 |
| Selhoff EntomberInnistrad: Crimson Vow · 76 | Innistrad: Crimson Vow | 76 | Common | €0.08 |
| Selhoff OccultistInnistrad · 73 | Innistrad | 73 | Common | €0.08 |
| Selhoff OccultistJumpstart · 174 | Jumpstart | 174 | Common | $0.12 |
| Selhoff OccultistShadows of the Past · 21 | Shadows of the Past | 21 | Common | — |
| Seller of SongbirdsRavnica: Clue Edition · 72 | Ravnica: Clue Edition | 72 | Common | $0.15 |
| Seller of SongbirdsJumpstart 2022 · 240 | Jumpstart 2022 | 240 | Common | €0.09 |
| Seller of SongbirdsReturn to Ravnica · 22 | Return to Ravnica | 22 | Common | €0.06 |
| Sell-Sword BruteRavnica: City of Guilds · 142 | Ravnica: City of Guilds | 142 | Common | $0.03 |
| Selvala's EnforcerConspiracy · 40 | Conspiracy | 40 | Common | €0.14 |
| Semester Foreseer // Peer ReviewReality Fracture · 39 | Reality Fracture | 39 | Common | €0.05 |
| Senate CourierRavnica Allegiance · 50 | Ravnica Allegiance | 50 | Common | €0.03 |
| Senate GriffinRavnica Allegiance · 219 | Ravnica Allegiance | 219 | Common | €0.05 |
| Send in the PestSecrets of Strixhaven · 100 | Secrets of Strixhaven | 100 | Common | €0.04 |
| Send in the PestThe List Tokens · SOS-100 | The List Tokens | SOS-100 | Common | — |
| Send to SleepMagic Origins · 71 | Magic Origins | 71 | Common | $0.07 |
| Send to SleepThe List Tokens · ORI-71 | The List Tokens | ORI-71 | Common | €0.22 |
| Sengir BatsHomelands · 57a | Homelands | 57a | Common | €0.12 |
| Sengir BatsHomelands · 57b | Homelands | 57b | Common | €0.14 |
| Sengir VampireThe Zeta Set · 49 | The Zeta Set | 49 | Common | — |
| Sengir VampireThe Zeta Set · 170 | The Zeta Set | 170 | Common | — |
| Sengir VampireThe Zeta Set · 291 | The Zeta Set | 291 | Common | — |
| Senseless RageShadows over Innistrad · 180 | Shadows over Innistrad | 180 | Common | $0.06 |
| Sensor SplicerDouble Masters 2022 · 29 | Double Masters 2022 | 29 | Common | €0.12 |
| Sensor SplicerModern Masters 2017 · 23 | Modern Masters 2017 | 23 | Common | €0.09 |
| Sensor SplicerNew Phyrexia · 22 | New Phyrexia | 22 | Common | €0.08 |
| Sensor SplicerThe List Tokens · MM3-23 | The List Tokens | MM3-23 | Common | €0.20 |
| Sensory DeprivationInnistrad · 74 | Innistrad | 74 | Common | €0.05 |
| Sensory DeprivationMagic 2014 · 71 | Magic 2014 | 71 | Common | €0.06 |
| Sentinel DispatchConspiracy · 11 | Conspiracy | 11 | Common | $0.12 |
| Sentinel's EyesSecrets of Strixhaven Commander · 168 | Secrets of Strixhaven Commander | 168 | Common | €0.18 |
| Sentinel's EyesTheros Beyond Death · 36 | Theros Beyond Death | 36 | Common | €0.21 |
| Sentinel SliverCommander Masters · 835 | Commander Masters | 835 | Common | $2.39 |
| Sentinel SliverMagic 2014 · 30 | Magic 2014 | 30 | Common | $0.43 |
| Sentinel SliverThe List Tokens · M14-30 | The List Tokens | M14-30 | Common | $0.29 |
| Sentinel SliverJumpstart: Historic Horizons · 128 | Jumpstart: Historic Horizons | 128 | Common | — |
| Sentinels of Glen ElendraJumpstart 2022 · 344 | Jumpstart 2022 | 344 | Common | $0.07 |
| Sentinels of Glen ElendraLorwyn · 84 | Lorwyn | 84 | Common | €0.09 |
| Sentinel SpiderCommander Legends · 253 | Commander Legends | 253 | Common | €0.12 |
| Sentinel SpiderEternal Masters · 185 | Eternal Masters | 185 | Common | €0.07 |
| Sentinel SpiderMagic 2013 · 189 | Magic 2013 | 189 | Common | €0.04 |
| Sentinel SpiderThe List Tokens · M13-189 | The List Tokens | M13-189 | Common | — |
| Separatist VoidmageMagic Origins · 72 | Magic Origins | 72 | Common | €0.12 |