| SlimebindFoundations Jumpstart · 360 | Foundations Jumpstart | 360 | Common | €0.11 |
| SlimebindRavnica Allegiance · 54 | Ravnica Allegiance | 54 | Common | €0.07 |
| Slime MoldingModern Masters 2017 · 137 | Modern Masters 2017 | 137 | Common | €0.12 |
| Slimy Burrito IllusionUnfinity Sticker Sheets · 9 | Unfinity Sticker Sheets | 9 | Common | €0.17 |
| Slimy KavuInvasion · 170 | Invasion | 170 | Common | €0.05 |
| Slimy PiperFoundations Jumpstart · 25 | Foundations Jumpstart | 25 | Common | €0.19 |
| Slingshot GoblinPlaneshift · 72 | Planeshift | 72 | Common | €0.07 |
| Slinking SkirgeUrza's Destiny · 71 | Urza's Destiny | 71 | Common | €0.05 |
| Slip On the RingThe Lord of the Rings: Tales of Middle-earth · 31 | The Lord of the Rings: Tales of Middle-earth | 31 | Common | €0.11 |
| Slip On the RingThe Lord of the Rings: Tales of Middle-earth · 482 | The Lord of the Rings: Tales of Middle-earth | 482 | Common | €0.29 |
| Slippery BogleEventide · 160 | Eventide | 160 | Common | €0.73 |
| Slippery BogleThe List Tokens · EVE-160 | The List Tokens | EVE-160 | Common | $0.48 |
| Slippery KarstAnthologies · 75 | Anthologies | 75 | Common | $0.28 |
| Slippery KarstBattle Royale Box Set · 73 | Battle Royale Box Set | 73 | Common | $0.28 |
| Slippery KarstBeatdown Box Set · 76 | Beatdown Box Set | 76 | Common | €0.37 |
| Slippery KarstCommander 2014 · 311 | Commander 2014 | 311 | Common | €0.10 |
| Slippery KarstCommander 2015 · 307 | Commander 2015 | 307 | Common | €0.22 |
| Slippery KarstCommander 2013 · 324 | Commander 2013 | 324 | Common | $0.12 |
| Slippery KarstCommander Anthology · 275 | Commander Anthology | 275 | Common | €0.14 |
| Slippery KarstDuel Decks: Garruk vs. Liliana · 26 | Duel Decks: Garruk vs. Liliana | 26 | Common | €0.16 |
| Slippery KarstDominaria Remastered · 256 | Dominaria Remastered | 256 | Common | €0.09 |
| Slippery KarstDuel Decks Anthology: Garruk vs. Liliana · 26 | Duel Decks Anthology: Garruk vs. Liliana | 26 | Common | €0.20 |
| Slippery KarstUrza's Saga · 327 | Urza's Saga | 327 | Common | €0.26 |
| Slipstream EelCommander Anthology Volume II · 49 | Commander Anthology Volume II | 49 | Common | €0.10 |
| Slipstream EelCommander 2011 · 62 | Commander 2011 | 62 | Common | €0.06 |
| Slipstream EelOnslaught · 114 | Onslaught | 114 | Common | €0.02 |
| Slipstream EelThe List Tokens · CM2-49 | The List Tokens | CM2-49 | Common | €0.05 |
| Slipstream SerpentTime Spiral · 77 | Time Spiral | 77 | Common | €0.03 |
| Slipstream SerpentTime Spiral Remastered · 86 | Time Spiral Remastered | 86 | Common | $0.03 |
| Slip Through SpaceOath of the Gatewatch · 47 | Oath of the Gatewatch | 47 | Common | €0.33 |
| Slip Through SpaceThe List Tokens · OGW-47 | The List Tokens | OGW-47 | Common | €3.16 |
| Slith AscendantCommander Legends · 49 | Commander Legends | 49 | Common | €0.02 |
| Slither BladeAmonkhet · 71 | Amonkhet | 71 | Common | €0.29 |
| Slither BladeOutlaws of Thunder Junction Commander · 114 | Outlaws of Thunder Junction Commander | 114 | Common | €0.49 |
| Slither BladeThe List Tokens · AKH-71 | The List Tokens | AKH-71 | Common | €0.27 |
| Slither BladeZendikar Rising Commander · 36 | Zendikar Rising Commander | 36 | Common | €0.28 |
| Slither BladeAmonkhet Remastered · 79 | Amonkhet Remastered | 79 | Common | — |
| SlitherheadRavnica Remastered · 226 | Ravnica Remastered | 226 | Common | €0.05 |
| Slithering CryptidTeenage Mutant Ninja Turtles · 168 | Teenage Mutant Ninja Turtles | 168 | Common | €0.03 |
| Sliver ConstructMagic 2014 · 218 | Magic 2014 | 218 | Common | €0.10 |
| Slow MotionUrza's Legacy · 42 | Urza's Legacy | 42 | Common | $0.19 |
| Sludge CrawlerBattle for Zendikar · 98 | Battle for Zendikar | 98 | Common | €0.11 |
| SluggishnessUrza's Legacy · 92 | Urza's Legacy | 92 | Common | €0.11 |
| Sluiceway ScorpionReturn to Ravnica · 198 | Return to Ravnica | 198 | Common | €0.05 |
| Slumbering KeepguardWilds of Eldraine · 29 | Wilds of Eldraine | 29 | Common | €0.10 |
| Slum ReaperUltimate Masters · 114 | Ultimate Masters | 114 | Common | €0.11 |
| Smart AssUnhinged · 45 | Unhinged | 45 | Common | €0.13 |
| SmashTenth Edition · 235 | Tenth Edition | 235 | Common | $0.08 |
| SmashApocalypse · 69 | Apocalypse | 69 | Common | €0.02 |
| SmashRavnica: City of Guilds · 143 | Ravnica: City of Guilds | 143 | Common | €0.06 |