| Slith StriderMirrodin · 50 | Mirrodin | 50 | Uncommon | $0.14 |
| SliversmithFuture Sight · 163 | Future Sight | 163 | Uncommon | €0.27 |
| SliversmithTime Spiral Remastered · 273 | Time Spiral Remastered | 273 | Uncommon | €0.24 |
| Sludge StriderConflux · 126 | Conflux | 126 | Uncommon | $0.17 |
| Sludge StriderPlanechase · 95 | Planechase | 95 | Uncommon | €0.10 |
| Slumbering CerberusFoundations · 94 | Foundations | 94 | Uncommon | €0.08 |
| Slum ReaperBattlebond · 160 | Battlebond | 160 | Uncommon | $0.10 |
| Slum ReaperGRN Guild Kit · 52 | GRN Guild Kit | 52 | Uncommon | €0.13 |
| Slum ReaperReturn to Ravnica · 77 | Return to Ravnica | 77 | Uncommon | $0.15 |
| Slurrk, All-IngestingCommander Legends · 256 | Commander Legends | 256 | Uncommon | €0.23 |
| Slurrk, All-IngestingCommander Legends · 584 | Commander Legends | 584 | Uncommon | €0.16 |
| Slurrk, All-IngestingMarch of the Machine Commander · 312 | March of the Machine Commander | 312 | Uncommon | €0.23 |
| Slurrk, All-IngestingMagic Online Promos · 86322 | Magic Online Promos | 86322 | Uncommon | — |
| Slurrk, All-IngestingThe List Tokens · CMR-256 | The List Tokens | CMR-256 | Uncommon | — |
| Sly RequisitionerAether Revolt · 72 | Aether Revolt | 72 | Uncommon | $0.10 |
| Sly RequisitionerKaladesh Remastered · 106 | Kaladesh Remastered | 106 | Uncommon | — |
| Sly SpyUnstable · 67a | Unstable | 67a | Uncommon | €0.25 |
| Sly SpyUnstable · 67b | Unstable | 67b | Uncommon | €0.30 |
| Sly SpyUnstable · 67c | Unstable | 67c | Uncommon | €0.25 |
| Sly SpyUnstable · 67d | Unstable | 67d | Uncommon | €0.27 |
| Sly SpyUnstable · 67e | Unstable | 67e | Uncommon | €0.27 |
| Sly SpyUnstable · 67f | Unstable | 67f | Uncommon | €0.34 |
| SmallpoxConspiracy · 125 | Conspiracy | 125 | Uncommon | €0.37 |
| SmallpoxDuel Decks: Nissa vs. Ob Nixilis Tokens · 61 | Duel Decks: Nissa vs. Ob Nixilis Tokens | 61 | Uncommon | €0.32 |
| SmallpoxMagic 2012 · 108 | Magic 2012 | 108 | Uncommon | €0.24 |
| SmallpoxTime Spiral · 131 | Time Spiral | 131 | Uncommon | €0.38 |
| SmallpoxTime Spiral Remastered · 139 | Time Spiral Remastered | 139 | Uncommon | €0.21 |
| Smash to SmithereensPioneer Masters · 343 | Pioneer Masters | 343 | Uncommon | — |
| Smelt-Ward IgnusRavnica Allegiance · 116 | Ravnica Allegiance | 116 | Uncommon | $0.05 |
| Smelt-Ward MinotaurGuilds of Ravnica · 116 | Guilds of Ravnica | 116 | Uncommon | €0.06 |
| Smiting HelixModern Horizons · 109 | Modern Horizons | 109 | Uncommon | €0.16 |
| Smiting HelixThe List Tokens · MH1-109 | The List Tokens | MH1-109 | Uncommon | $0.09 |
| Smog ElementalGatecrash · 79 | Gatecrash | 79 | Uncommon | €0.04 |
| Smogsteed RiderGuildpact · 63 | Guildpact | 63 | Uncommon | $0.21 |
| Smoke BombAssassin's Creed · 75 | Assassin's Creed | 75 | Uncommon | €0.20 |
| Smoke BombAssassin's Creed · 259 | Assassin's Creed | 259 | Uncommon | €0.94 |
| Smoky Lounge // Misty SalonDuskmourn: House of Horror · 235 | Duskmourn: House of Horror | 235 | Uncommon | €0.11 |
| Smoldering TarInvasion · 275 | Invasion | 275 | Uncommon | €0.04 |
| Smoldering Werewolf // Erupting DreadwolfEldritch Moon · 142 | Eldritch Moon | 142 | Uncommon | €0.08 |
| Smoldering Werewolf // Erupting DreadwolfInnistrad Remastered · 171 | Innistrad Remastered | 171 | Uncommon | €0.09 |
| Smoldering Werewolf // Erupting DreadwolfInnistrad Remastered · 465 | Innistrad Remastered | 465 | Uncommon | €0.07 |
| SmotherDuel Decks: Zendikar vs. Eldrazi Tokens · 57 | Duel Decks: Zendikar vs. Eldrazi Tokens | 57 | Uncommon | $0.25 |
| SmotherOnslaught · 170 | Onslaught | 170 | Uncommon | $2.63 |
| SmotherWorld Championship Decks 2003 Tokens · pk170 | World Championship Decks 2003 Tokens | pk170 | Uncommon | €0.94 |
| SmotherWorld Championship Decks 2003 Tokens · we170 | World Championship Decks 2003 Tokens | we170 | Uncommon | €1.29 |
| SmotherWorld Championship Decks 2003 Tokens · we170sb | World Championship Decks 2003 Tokens | we170sb | Uncommon | $0.74 |
| SmotherWorldwake · 68 | Worldwake | 68 | Uncommon | €0.18 |
| SmotherMagic Online Promos · 31475 | Magic Online Promos | 31475 | Uncommon | — |
| Smuggler CaptainConspiracy: Take the Crown · 47 | Conspiracy: Take the Crown | 47 | Uncommon | €0.02 |
| SnagProphecy · 124 | Prophecy | 124 | Uncommon | €0.26 |