| Soul WardenSecret Lair Drop Tokens · 2435 | Secret Lair Drop Tokens | 2435 | Rare | €14.54 |
| Sound the CallColdsnap · 123 | Coldsnap | 123 | Common | €0.07 |
| Sound the TrumpetsThe Hobbit · 55 | The Hobbit | 55 | Uncommon | €0.08 |
| Soundwave, Sonic Spy // Soundwave, Superior CaptainTransformers · 14 | Transformers | 14 | Mythic Rare | €0.38 |
| Soundwave, Sonic Spy // Soundwave, Superior CaptainTransformers · 28 | Transformers | 28 | Mythic Rare | €5.44 |
| Sourbread AuntieLorwyn Eclipsed · 158 | Lorwyn Eclipsed | 158 | Uncommon | €0.13 |
| Soured SpringsOutlaws of Thunder Junction · 264 | Outlaws of Thunder Junction | 264 | Common | €0.12 |
| Southern Air TempleAvatar: The Last Airbender · 36 | Avatar: The Last Airbender | 36 | Uncommon | €0.14 |
| Southern ElephantPortal Three Kingdoms · 146 | Portal Three Kingdoms | 146 | Common | €0.64 |
| Southern ElephantStarter 1999 · 142 | Starter 1999 | 142 | Common | $0.37 |
| Southern ElephantMasters Edition IV · 167 | Masters Edition IV | 167 | Common | — |
| Southern PaladinSeventh Edition · 46 | Seventh Edition | 46 | Rare | $0.51 |
| Southern PaladinSeventh Edition · 46★ | Seventh Edition | 46★ | Rare | $0.51 |
| Southern PaladinWeatherlight · 27 | Weatherlight | 27 | Rare | €0.54 |
| South Pole VoyagerAvatar: The Last Airbender Promos · 35s | Avatar: The Last Airbender Promos | 35s | Rare | €2.14 |
| South Pole VoyagerAvatar: The Last Airbender · 35 | Avatar: The Last Airbender | 35 | Rare | $0.28 |
| South Pole VoyagerAvatar: The Last Airbender · 367 | Avatar: The Last Airbender | 367 | Rare | €0.72 |
| South Wind AvatarTeenage Mutant Ninja Turtles · 78 | Teenage Mutant Ninja Turtles | 78 | Rare | $1.14 |
| South Wind AvatarTeenage Mutant Ninja Turtles · 269 | Teenage Mutant Ninja Turtles | 269 | Rare | €1.85 |
| Souvenir SnatcherCommander 2020 · 38 | Commander 2020 | 38 | Rare | €0.20 |
| Souvenir T-ShirtUnfinity · 192 | Unfinity | 192 | Rare | €0.09 |
| Souvenir T-ShirtUnfinity · 478 | Unfinity | 478 | Rare | €0.18 |
| Sovereign Okinec AhauThe Lost Caverns of Ixalan · 240 | The Lost Caverns of Ixalan | 240 | Mythic Rare | €2.85 |
| Sovereign Okinec AhauThe Lost Caverns of Ixalan · 309 | The Lost Caverns of Ixalan | 309 | Mythic Rare | €3.47 |
| Sovereign Okinec AhauThe Lost Caverns of Ixalan Promos · 240p | The Lost Caverns of Ixalan Promos | 240p | Mythic Rare | €2.37 |
| Sovereign Okinec AhauThe Lost Caverns of Ixalan Promos · 240s | The Lost Caverns of Ixalan Promos | 240s | Mythic Rare | €4.84 |
| Sovereign Okinec AhauSecret Lair Drop Tokens · 2695 | Secret Lair Drop Tokens | 2695 | Mythic Rare | €3.13 |
| Sovereign Okinec Ahau // Sovereign Okinec AhauThe Lost Caverns of Ixalan Art Series · 53 | The Lost Caverns of Ixalan Art Series | 53 | — | — |
| Sovereign's BiteCore Set 2019 · 120 | Core Set 2019 | 120 | Common | €0.12 |
| Sovereigns of Lost AlaraAlara Reborn · 12 | Alara Reborn | 12 | Rare | $0.82 |
| Sovereigns of Lost AlaraUltimate Masters · 207 | Ultimate Masters | 207 | Rare | €0.55 |
| Sovereign's RealmConspiracy: Take the Crown · 10 | Conspiracy: Take the Crown | 10 | Mythic Rare | €0.26 |
| Sower of ChaosFoundations · 95 | Foundations | 95 | Common | €0.05 |
| Sower of DiscordCommander 2018 · 19 | Commander 2018 | 19 | Rare | €3.00 |
| Sower of DiscordCommander Masters · 187 | Commander Masters | 187 | Rare | €3.21 |
| Sower of DiscordCommander Masters · 522 | Commander Masters | 522 | Rare | €12.73 |
| Sower of DiscordTreasure Chest · 70659 | Treasure Chest | 70659 | Rare | — |
| Sower of TemptationBattlebond · 131 | Battlebond | 131 | Rare | €1.08 |
| Sower of TemptationLorwyn · 88 | Lorwyn | 88 | Rare | €1.49 |
| Sower of TemptationSecret Lair Drop Tokens · 120 | Secret Lair Drop Tokens | 120 | Rare | €4.96 |
| Sower of TemptationWilds of Eldraine Commander · 111 | Wilds of Eldraine Commander | 111 | Rare | €1.30 |
| Sowing MycospawnModern Horizons 3 · 170 | Modern Horizons 3 | 170 | Rare | $1.50 |
| Sowing MycospawnModern Horizons 3 · 340 | Modern Horizons 3 | 340 | Rare | €3.11 |
| Sowing MycospawnModern Horizons 3 Promos · 170s | Modern Horizons 3 Promos | 170s | Rare | €5.29 |
| Sowing MycospawnSecret Lair Promo · 51 | Secret Lair Promo | 51 | Rare | €1.57 |
| Sowing Mycospawn // Sowing MycospawnModern Horizons 3 Art Series · 40 | Modern Horizons 3 Art Series | 40 | — | — |
| Sowing SaltBetrayers of Kamigawa · 118 | Betrayers of Kamigawa | 118 | Uncommon | $0.11 |
| Sowing SaltUrza's Destiny · 97 | Urza's Destiny | 97 | Uncommon | $0.39 |
| Sozin's CometAvatar: The Last Airbender Promos · 154s | Avatar: The Last Airbender Promos | 154s | Mythic Rare | €6.42 |
| Sozin's CometAvatar: The Last Airbender · 154 | Avatar: The Last Airbender | 154 | Mythic Rare | $2.47 |