| Silkenfist OrderNemesis · 20 | Nemesis | 20 | Uncommon | $0.09 |
| SilkwrapDragons of Tarkir · 38 | Dragons of Tarkir | 38 | Uncommon | €0.12 |
| SilkwrapPioneer Challenger Decks 2021 · 4 | Pioneer Challenger Decks 2021 | 4 | Uncommon | $0.10 |
| SilkwrapPioneer Masters · 33 | Pioneer Masters | 33 | Uncommon | — |
| SilkwrapMagic Online Promos · 62497 | Magic Online Promos | 62497 | Uncommon | — |
| Silumgar MonumentDragons of Tarkir · 243 | Dragons of Tarkir | 243 | Uncommon | €0.10 |
| Silumgar SorcererDragons of Tarkir · 76 | Dragons of Tarkir | 76 | Uncommon | $0.14 |
| Silumgar SorcererThe List Tokens · DTK-76 | The List Tokens | DTK-76 | Uncommon | €0.09 |
| Silumgar SorcererPioneer Masters · 285 | Pioneer Masters | 285 | Uncommon | — |
| Silumgar Spell-EaterDragons of Tarkir · 77 | Dragons of Tarkir | 77 | Uncommon | €0.02 |
| Silumgar's ScornDragons of Tarkir · 78 | Dragons of Tarkir | 78 | Uncommon | €0.26 |
| Silundi Vision // Silundi IsleZendikar Rising · 80 | Zendikar Rising | 80 | Uncommon | $0.39 |
| Silvan RevelerThe Hobbit · 163 | The Hobbit | 163 | Uncommon | €0.08 |
| Silverback ApeEighth Edition · S7 | Eighth Edition | S7 | Uncommon | $0.86 |
| Silverback ApeStarter 1999 · 141 | Starter 1999 | 141 | Uncommon | $3.19 |
| Silver ErneIce Age · 98 | Ice Age | 98 | Uncommon | €0.21 |
| Silver-Fur MasterKamigawa: Neon Dynasty · 236 | Kamigawa: Neon Dynasty | 236 | Uncommon | €0.25 |
| Silver-Fur MasterKamigawa: Neon Dynasty · 353 | Kamigawa: Neon Dynasty | 353 | Uncommon | €0.18 |
| Silver-Fur MasterKamigawa: Neon Dynasty · 511 | Kamigawa: Neon Dynasty | 511 | Uncommon | €0.25 |
| Silvergill AdeptLorwyn · 86 | Lorwyn | 86 | Uncommon | €0.30 |
| Silvergill AdeptRivals of Ixalan Promos · 53 | Rivals of Ixalan Promos | 53 | Uncommon | €0.81 |
| Silvergill AdeptThe List Tokens · RIX-53 | The List Tokens | RIX-53 | Uncommon | €0.21 |
| Silvergill AdeptRivals of Ixalan · 53 | Rivals of Ixalan | 53 | Uncommon | €0.21 |
| Silvergill AdeptMagic Online Promos · 66892 | Magic Online Promos | 66892 | Uncommon | — |
| Silvergill MentorLorwyn Eclipsed · 69 | Lorwyn Eclipsed | 69 | Uncommon | €0.05 |
| Silvergill MentorLorwyn Eclipsed · 403 | Lorwyn Eclipsed | 403 | Uncommon | €0.17 |
| Silverglade PathfinderMercadian Masques · 270 | Mercadian Masques | 270 | Uncommon | €0.19 |
| Silverglade PathfinderThe List Tokens · MMQ-270 | The List Tokens | MMQ-270 | Uncommon | $0.19 |
| Silver-Inlaid DaggerInnistrad · 233 | Innistrad | 233 | Uncommon | €0.13 |
| Silver KnightDuel Decks: Knights vs. Dragons · 8 | Duel Decks: Knights vs. Dragons | 8 | Uncommon | €0.32 |
| Silver KnightThe List Tokens · SCG-23 | The List Tokens | SCG-23 | Uncommon | $0.22 |
| Silver KnightScourge · 23 | Scourge | 23 | Uncommon | $0.36 |
| Silver KnightMagic Online Promos · 31479 | Magic Online Promos | 31479 | Uncommon | — |
| Silverquill ApprenticeStrixhaven: School of Mages · 231 | Strixhaven: School of Mages | 231 | Uncommon | €0.04 |
| Silverquill CharmSecrets of Strixhaven · 225 | Secrets of Strixhaven | 225 | Uncommon | €0.14 |
| Silverquill CharmSecrets of Strixhaven · 366 | Secrets of Strixhaven | 366 | Uncommon | €0.10 |
| Silver Sable, Mercenary LeaderMarvel's Spider-Man · 13 | Marvel's Spider-Man | 13 | Uncommon | €0.08 |
| Silver Sable, Mercenary LeaderThrough the Omenpaths · 12 | Through the Omenpaths | 12 | Uncommon | — |
| Silver Shroud CostumeFallout · 142 | Fallout | 142 | Uncommon | $8.05 |
| Silver Shroud CostumeFallout · 670 | Fallout | 670 | Uncommon | €40.84 |
| Silverskin ArmorMirrodin Besieged · 132 | Mirrodin Besieged | 132 | Uncommon | €0.12 |
| Silversmote GhoulCommander 2021 · 154 | Commander 2021 | 154 | Uncommon | $0.32 |
| Silversmote GhoulCore Set 2021 · 122 | Core Set 2021 | 122 | Uncommon | €0.28 |
| SilverstrikeShadows over Innistrad · 37 | Shadows over Innistrad | 37 | Uncommon | $0.05 |
| Simian Spirit GuideMasters 25 · 148 | Masters 25 | 148 | Uncommon | €1.59 |
| Simic BasiliskDissension · 91 | Dissension | 91 | Uncommon | €0.11 |
| Simic CharmCommander Legends · 451 | Commander Legends | 451 | Uncommon | €1.96 |
| Simic CharmGatecrash · 195 | Gatecrash | 195 | Uncommon | $0.85 |
| Simic CharmExplorer Anthology 3 · 10 | Explorer Anthology 3 | 10 | Uncommon | — |
| Simic FluxmageGatecrash · 49 | Gatecrash | 49 | Uncommon | $0.07 |