| Sidequest: Raise a Chocobo // Black ChocoboFinal Fantasy · 201 | Final Fantasy | 201 | Uncommon | €0.14 |
| SideswipeChampions of Kamigawa · 187 | Champions of Kamigawa | 187 | Uncommon | €0.09 |
| Side to SideUnhinged · 110 | Unhinged | 110 | Uncommon | €0.15 |
| Siegebreaker GiantCore Set 2019 · 157 | Core Set 2019 | 157 | Uncommon | €0.02 |
| Siege ModificationAether Revolt · 99 | Aether Revolt | 99 | Uncommon | €0.23 |
| Siege ModificationThe List Tokens · AER-99 | The List Tokens | AER-99 | Uncommon | €0.02 |
| Siege ModificationKaladesh Remastered · 145 | Kaladesh Remastered | 145 | Uncommon | — |
| Siege of TowersRavnica Remastered · 123 | Ravnica Remastered | 123 | Uncommon | €0.04 |
| Siege StrikerCore Set 2021 · 37 | Core Set 2021 | 37 | Uncommon | €0.05 |
| SiftCore Set 2019 · 72 | Core Set 2019 | 72 | Uncommon | €0.06 |
| Sifter WurmCommander Legends · 254 | Commander Legends | 254 | Uncommon | €0.10 |
| Sifter WurmHour of Devastation · 135 | Hour of Devastation | 135 | Uncommon | €0.08 |
| Sifter WurmAmonkhet Remastered · 219 | Amonkhet Remastered | 219 | Uncommon | — |
| Sigardian EvangelMystery Booster 2 Tokens · 258 | Mystery Booster 2 Tokens | 258 | Uncommon | $7.07 |
| Sigardian PaladinInnistrad: Double Feature · 514 | Innistrad: Double Feature | 514 | Uncommon | €0.12 |
| Sigardian PaladinInnistrad: Crimson Vow · 247 | Innistrad: Crimson Vow | 247 | Uncommon | €0.10 |
| Sight Beyond SightDragons of Tarkir · 75 | Dragons of Tarkir | 75 | Uncommon | $0.08 |
| Sight Beyond SightPioneer Masters · 73 | Pioneer Masters | 73 | Uncommon | — |
| Sightless BrawlerJourney into Nyx · 24 | Journey into Nyx | 24 | Uncommon | $0.07 |
| Sight of the ScalelordsDragons of Tarkir · 207 | Dragons of Tarkir | 207 | Uncommon | €0.31 |
| Sigil BlessingModern Masters 2015 · 187 | Modern Masters 2015 | 187 | Uncommon | $0.07 |
| Sigil CaptainAlara Reborn · 77 | Alara Reborn | 77 | Uncommon | $0.21 |
| Sigil CaptainCommander 2011 · 225 | Commander 2011 | 225 | Uncommon | €0.30 |
| Sigiled ContenderCore Set 2021 · 323 | Core Set 2021 | 323 | Uncommon | €0.06 |
| Sigiled PaladinShards of Alara · 27 | Shards of Alara | 27 | Uncommon | €0.23 |
| Sigiled StarfishCommander 2018 · 102 | Commander 2018 | 102 | Uncommon | $0.11 |
| Sigiled StarfishJumpstart · 177 | Jumpstart | 177 | Uncommon | €0.18 |
| Sigiled StarfishFoundations Jumpstart · 357 | Foundations Jumpstart | 357 | Uncommon | €0.13 |
| Sigiled StarfishMagic Origins · 73 | Magic Origins | 73 | Uncommon | $0.08 |
| Sigiled StarfishThe List Tokens · ORI-73 | The List Tokens | ORI-73 | Uncommon | €0.12 |
| Sigiled StarfishAlchemy Horizons: Baldur's Gate · 913 | Alchemy Horizons: Baldur's Gate | 913 | Uncommon | — |
| Sigil of MyrkulCommander Legends: Battle for Baldur's Gate · 147 | Commander Legends: Battle for Baldur's Gate | 147 | Uncommon | €0.09 |
| Sigil of MyrkulAlchemy Horizons: Baldur's Gate · 168 | Alchemy Horizons: Baldur's Gate | 168 | Uncommon | — |
| Sigil of the New DawnThe List Tokens · UMA-35 | The List Tokens | UMA-35 | Uncommon | $0.17 |
| Sigil of the New DawnUltimate Masters · 35 | Ultimate Masters | 35 | Uncommon | €0.22 |
| Sigil of ValorThe Brothers' War Retro Artifacts · 53 | The Brothers' War Retro Artifacts | 53 | Uncommon | €0.07 |
| Sigil of ValorThe Brothers' War Retro Artifacts · 116 | The Brothers' War Retro Artifacts | 116 | Uncommon | €0.15 |
| Sigil of ValorThe Brothers' War Retro Artifacts · 116z | The Brothers' War Retro Artifacts | 116z | Uncommon | €89.96 |
| Sigil of ValorMagic Origins · 239 | Magic Origins | 239 | Uncommon | €0.11 |
| Sigil of ValorThe List Tokens · ORI-239 | The List Tokens | ORI-239 | Uncommon | €0.16 |
| Signal PestMirrodin Besieged · 131 | Mirrodin Besieged | 131 | Uncommon | $0.36 |
| Signal PestThe List Tokens · MBS-131 | The List Tokens | MBS-131 | Uncommon | $0.37 |
| Signal PestMagic Online Promos · 39648 | Magic Online Promos | 39648 | Uncommon | — |
| Signature SlamModern Horizons 3 · 168 | Modern Horizons 3 | 168 | Uncommon | €0.08 |
| Silent DartGuilds of Ravnica · 241 | Guilds of Ravnica | 241 | Uncommon | €0.03 |
| Silent DartRavnica Remastered · 268 | Ravnica Remastered | 268 | Uncommon | €0.02 |
| Silent ExtractionAlchemy: Outlaws of Thunder Junction · 25 | Alchemy: Outlaws of Thunder Junction | 25 | Uncommon | — |
| Silhana WayfinderJumpstart · 430 | Jumpstart | 430 | Uncommon | €0.10 |
| Silhana WayfinderRavnica Allegiance · 141 | Ravnica Allegiance | 141 | Uncommon | €0.06 |
| SilhouetteLegends · 77 | Legends | 77 | Uncommon | $2.52 |