| Sludge MonsterCommander Legends: Battle for Baldur's Gate · 735 | Commander Legends: Battle for Baldur's Gate | 735 | Rare | €0.27 |
| Sludge MonsterInnistrad: Double Feature · 76 | Innistrad: Double Feature | 76 | Rare | €0.61 |
| Sludge MonsterInnistrad: Midnight Hunt · 76 | Innistrad: Midnight Hunt | 76 | Rare | €0.31 |
| Sludge MonsterInnistrad: Midnight Hunt · 340 | Innistrad: Midnight Hunt | 340 | Rare | €0.84 |
| Sludge MonsterInnistrad: Midnight Hunt Promos · 76p | Innistrad: Midnight Hunt Promos | 76p | Rare | €0.35 |
| Sludge MonsterInnistrad: Midnight Hunt Promos · 76s | Innistrad: Midnight Hunt Promos | 76s | Rare | €1.07 |
| Sludge MonsterMagic Online Promos · 93932 | Magic Online Promos | 93932 | Rare | — |
| Sludge StriderConflux · 126 | Conflux | 126 | Uncommon | $0.16 |
| Sludge StriderPlanechase · 95 | Planechase | 95 | Uncommon | €0.10 |
| Sludge TitanRavnica: Clue Edition · 43 | Ravnica: Clue Edition | 43 | Rare | €1.19 |
| SlugInnistrad: Crimson Vow Tokens · 6 | Innistrad: Crimson Vow Tokens | 6 | — | $10.52 |
| SluggishnessUrza's Legacy · 92 | Urza's Legacy | 92 | Common | €0.13 |
| Sluiceway ScorpionReturn to Ravnica · 198 | Return to Ravnica | 198 | Common | €0.06 |
| Slumbering CerberusFoundations · 94 | Foundations | 94 | Uncommon | €0.05 |
| Slumbering DragonMagic 2013 · 148 | Magic 2013 | 148 | Rare | $1.79 |
| Slumbering KeepguardWilds of Eldraine · 29 | Wilds of Eldraine | 29 | Common | €0.13 |
| Slumbering ToraBetrayers of Kamigawa · 161 | Betrayers of Kamigawa | 161 | Rare | $0.27 |
| Slumbering TrudgeSecrets of Strixhaven Promos · 160p | Secrets of Strixhaven Promos | 160p | Rare | €0.20 |
| Slumbering TrudgeSecrets of Strixhaven · 160 | Secrets of Strixhaven | 160 | Rare | €0.45 |
| Slumbering TrudgeSecrets of Strixhaven · 341 | Secrets of Strixhaven | 341 | Rare | €0.70 |
| Slumbering WalkerLorwyn Eclipsed · 35 | Lorwyn Eclipsed | 35 | Rare | €0.13 |
| Slumbering WalkerLorwyn Eclipsed · 302 | Lorwyn Eclipsed | 302 | Rare | €0.24 |
| Slumbering WalkerLorwyn Eclipsed Promos · 35p | Lorwyn Eclipsed Promos | 35p | Rare | €0.02 |
| Slumbering WaterwaysMystery Booster 2 Tokens · 618 | Mystery Booster 2 Tokens | 618 | Rare | €0.24 |
| Slum ReaperBattlebond · 160 | Battlebond | 160 | Uncommon | $0.10 |
| Slum ReaperGRN Guild Kit · 52 | GRN Guild Kit | 52 | Uncommon | €0.10 |
| Slum ReaperReturn to Ravnica · 77 | Return to Ravnica | 77 | Uncommon | €0.15 |
| Slum ReaperUltimate Masters · 114 | Ultimate Masters | 114 | Common | €0.11 |
| Slurrk, All-IngestingCommander Legends · 256 | Commander Legends | 256 | Uncommon | €0.19 |
| 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 InstigatorCommander 2021 · 32 | Commander 2021 | 32 | Rare | €0.20 |
| Sly InstigatorCommander 2021 · 359 | Commander 2021 | 359 | Rare | €0.42 |
| Sly InstigatorCommander Legends: Battle for Baldur's Gate · 736 | Commander Legends: Battle for Baldur's Gate | 736 | Rare | €0.31 |
| Sly InstigatorMagic Online Promos · 90028 | Magic Online Promos | 90028 | Rare | — |
| Sly RequisitionerAether Revolt · 72 | Aether Revolt | 72 | Uncommon | $0.11 |
| Sly RequisitionerKaladesh Remastered · 106 | Kaladesh Remastered | 106 | Uncommon | — |
| Sly SpyUnstable · 67a | Unstable | 67a | Uncommon | €0.25 |
| Sly SpyUnstable · 67b | Unstable | 67b | Uncommon | $0.28 |
| Sly SpyUnstable · 67c | Unstable | 67c | Uncommon | €0.21 |
| Sly SpyUnstable · 67d | Unstable | 67d | Uncommon | €0.27 |
| Sly SpyUnstable · 67e | Unstable | 67e | Uncommon | €0.27 |
| Sly SpyUnstable · 67f | Unstable | 67f | Uncommon | €0.30 |
| SmallpoxConspiracy · 125 | Conspiracy | 125 | Uncommon | €0.25 |
| SmallpoxDuel Decks: Nissa vs. Ob Nixilis Tokens · 61 | Duel Decks: Nissa vs. Ob Nixilis Tokens | 61 | Uncommon | €0.28 |
| SmallpoxMagic 2012 · 108 | Magic 2012 | 108 | Uncommon | €0.25 |
| SmallpoxSecrets of Strixhaven Mystical Archive · 33 | Secrets of Strixhaven Mystical Archive | 33 | Rare | €1.01 |
| SmallpoxSecrets of Strixhaven Mystical Archive · 98 | Secrets of Strixhaven Mystical Archive | 98 | Rare | $1.50 |