| Sidar Jabari of ZhalfirMarch of the Machine Commander · 138 | March of the Machine Commander | 138 | Mythic Rare | €0.22 |
| Sidar Kondo of JamuraaCommander 2016 · 42 | Commander 2016 | 42 | Mythic Rare | €0.93 |
| Sidar Kondo of JamuraaCommander Legends · 535 | Commander Legends | 535 | Mythic Rare | €1.16 |
| Sidar Kondo of JamuraaMurders at Karlov Manor Commander · 219 | Murders at Karlov Manor Commander | 219 | Mythic Rare | €0.25 |
| Sidar Kondo of JamuraaTarkir: Dragonstorm Commander · 303 | Tarkir: Dragonstorm Commander | 303 | Mythic Rare | €0.25 |
| Sidar Kondo of JamuraaTreasure Chest · 54 | Treasure Chest | 54 | Mythic Rare | — |
| Sidar Kondo of JamuraaMagic Online Promos · 86172 | Magic Online Promos | 86172 | Mythic Rare | — |
| Sidisi, Brood TyrantKhans of Tarkir · 199 | Khans of Tarkir | 199 | Mythic Rare | $1.05 |
| Sidisi, Brood TyrantKhans of Tarkir Promos · 199s | Khans of Tarkir Promos | 199s | Mythic Rare | €3.28 |
| Sidisi, Brood TyrantKhans of Tarkir · 199y | Khans of Tarkir | 199y | Mythic Rare | — |
| Sigarda, Champion of LightInnistrad: Double Feature · 240 | Innistrad: Double Feature | 240 | Mythic Rare | $0.92 |
| Sigarda, Champion of LightInnistrad: Midnight Hunt · 240 | Innistrad: Midnight Hunt | 240 | Mythic Rare | €0.95 |
| Sigarda, Champion of LightInnistrad: Midnight Hunt · 323 | Innistrad: Midnight Hunt | 323 | Mythic Rare | $0.49 |
| Sigarda, Champion of LightInnistrad: Midnight Hunt Promos · 240p | Innistrad: Midnight Hunt Promos | 240p | Mythic Rare | $0.54 |
| Sigarda, Champion of LightInnistrad: Midnight Hunt Promos · 240s | Innistrad: Midnight Hunt Promos | 240s | Mythic Rare | €2.16 |
| Sigarda, Heron's GraceMidnight Hunt Commander · 155 | Midnight Hunt Commander | 155 | Mythic Rare | €0.10 |
| Sigarda, Heron's GraceShadows over Innistrad Promos · 250s | Shadows over Innistrad Promos | 250s | Mythic Rare | €4.92 |
| Sigarda, Heron's GraceShadows over Innistrad · 250 | Shadows over Innistrad | 250 | Mythic Rare | $0.47 |
| Sigarda, Heron's GraceShadows over Innistrad Remastered · 242 | Shadows over Innistrad Remastered | 242 | Mythic Rare | — |
| Sigarda, Host of HeronsAvacyn Restored · 210 | Avacyn Restored | 210 | Mythic Rare | €1.90 |
| Sigarda, Host of HeronsInnistrad Remastered · 247 | Innistrad Remastered | 247 | Mythic Rare | €1.59 |
| Sigarda, Host of HeronsInnistrad Remastered · 434 | Innistrad Remastered | 434 | Mythic Rare | $1.05 |
| Sigarda, Host of HeronsOpen the Helvault Tokens · 210 | Open the Helvault Tokens | 210 | Mythic Rare | €0.90 |
| Sigarda, Host of HeronsUltimate Box Topper · U25 | Ultimate Box Topper | U25 | Mythic Rare | €15.44 |
| Sigarda, Host of HeronsUltimate Masters · 206 | Ultimate Masters | 206 | Mythic Rare | €1.43 |
| Sigarda, Host of HeronsShadows of the Past · 66 | Shadows of the Past | 66 | Mythic Rare | — |
| Sigardian SaviorInnistrad: Double Feature · 34 | Innistrad: Double Feature | 34 | Mythic Rare | $0.55 |
| Sigardian SaviorInnistrad: Midnight Hunt · 34 | Innistrad: Midnight Hunt | 34 | Mythic Rare | $0.38 |
| Sigardian SaviorInnistrad: Midnight Hunt · 331 | Innistrad: Midnight Hunt | 331 | Mythic Rare | $0.45 |
| Sigardian SaviorInnistrad: Midnight Hunt Promos · 34p | Innistrad: Midnight Hunt Promos | 34p | Mythic Rare | €0.68 |
| Sigardian SaviorInnistrad: Midnight Hunt Promos · 34s | Innistrad: Midnight Hunt Promos | 34s | Mythic Rare | $1.19 |
| Sigardian SaviorMagic Online Promos · 93884 | Magic Online Promos | 93884 | Mythic Rare | — |
| Silas Renn, Seeker AdeptThe Brothers' War Commander · 129 | The Brothers' War Commander | 129 | Mythic Rare | €0.09 |
| Silas Renn, Seeker AdeptCommander 2016 · 43 | Commander 2016 | 43 | Mythic Rare | €2.78 |
| Silas Renn, Seeker AdeptCommander Legends · 536 | Commander Legends | 536 | Mythic Rare | €5.16 |
| Silas Renn, Seeker AdeptTreasure Chest · 51 | Treasure Chest | 51 | Mythic Rare | — |
| Silas Renn, Seeker AdeptMagic Online Promos · 86174 | Magic Online Promos | 86174 | Mythic Rare | — |
| SilkguardMarvel Universe · 37 | Marvel Universe | 37 | Mythic Rare | €3.01 |
| Silvar, Devourer of the FreeCommander 2020 · 15 | Commander 2020 | 15 | Mythic Rare | $0.42 |
| Silverback ElderDominaria United · 177 | Dominaria United | 177 | Mythic Rare | €5.25 |
| Silverback ElderDominaria United · 418 | Dominaria United | 418 | Mythic Rare | €7.35 |
| Silverback ElderDominaria United Promos · 177p | Dominaria United Promos | 177p | Mythic Rare | €5.57 |
| Silverback ElderDominaria United Promos · 177s | Dominaria United Promos | 177s | Mythic Rare | €7.55 |
| Silverback ElderMagic Online Promos · 103452 | Magic Online Promos | 103452 | Mythic Rare | — |
| Silverclad FerocidonsTeenage Mutant Ninja Turtles Source Material · 9 | Teenage Mutant Ninja Turtles Source Material | 9 | Mythic Rare | €0.65 |
| Silverquill, the DisputantSecrets of Strixhaven Promos · 226p | Secrets of Strixhaven Promos | 226p | Mythic Rare | €0.79 |
| Silverquill, the DisputantSecrets of Strixhaven · 226 | Secrets of Strixhaven | 226 | Mythic Rare | $1.22 |
| Silverquill, the DisputantSecrets of Strixhaven · 287 | Secrets of Strixhaven | 287 | Mythic Rare | €3.22 |
| Simulacrum SynthesizerThe Big Score · 6 | The Big Score | 6 | Mythic Rare | €22.52 |
| Simulacrum SynthesizerThe Big Score · 36 | The Big Score | 36 | Mythic Rare | $67.66 |