| Sleight of MindSummer Magic / Edgar · 81 | Summer Magic / Edgar | 81 | Rare | €800.00 |
| Sleuth InstructorAlchemy: Murders at Karlov Manor · 2 | Alchemy: Murders at Karlov Manor | 2 | Rare | — |
| Slice and DiceCommander 2013 · 119 | Commander 2013 | 119 | Uncommon | $0.13 |
| Slice and DiceCommander 2020 · 159 | Commander 2020 | 159 | Uncommon | €0.15 |
| Slice and DiceCommander Masters · 255 | Commander Masters | 255 | Uncommon | €0.08 |
| Slice and DiceDominaria Remastered · 138 | Dominaria Remastered | 138 | Uncommon | $0.10 |
| Slice and DiceFriday Night Magic 2004 · 2 | Friday Night Magic 2004 | 2 | Rare | €0.76 |
| Slice and DiceOnslaught · 232 | Onslaught | 232 | Uncommon | €0.33 |
| Slice and DiceMagic Online Promos · 32573 | Magic Online Promos | 32573 | Uncommon | — |
| Slice from the ShadowsMurders at Karlov Manor · 103 | Murders at Karlov Manor | 103 | Common | €0.10 |
| Slice from the ShadowsMurders at Karlov Manor · 301 | Murders at Karlov Manor | 301 | Common | €0.04 |
| Slice in TwainCommander 2013 · 170 | Commander 2013 | 170 | Uncommon | €0.12 |
| Slice in TwainCommander 2019 · 181 | Commander 2019 | 181 | Uncommon | €0.10 |
| Slice in TwainCommander 2020 · 190 | Commander 2020 | 190 | Uncommon | €0.03 |
| Slice in TwainScars of Mirrodin · 127 | Scars of Mirrodin | 127 | Uncommon | €0.10 |
| Slice in TwainIxalan · 207 | Ixalan | 207 | Uncommon | €0.03 |
| Slicer, Hired Muscle // Slicer, High-Speed AntagonistTransformers · 6 | Transformers | 6 | Mythic Rare | €5.34 |
| Slicer, Hired Muscle // Slicer, High-Speed AntagonistTransformers · 21 | Transformers | 21 | Mythic Rare | €18.83 |
| Slick ImitatorAetherdrift · 62 | Aetherdrift | 62 | Uncommon | €0.09 |
| Slick SequenceOutlaws of Thunder Junction · 233 | Outlaws of Thunder Junction | 233 | Uncommon | €0.17 |
| Slick Sequence // Slick SequenceOutlaws of Thunder Junction Art Series · 33 | Outlaws of Thunder Junction Art Series | 33 | — | — |
| Slickshot LockpickerOutlaws of Thunder Junction · 67 | Outlaws of Thunder Junction | 67 | Uncommon | €0.03 |
| Slickshot Show-OffOutlaws of Thunder Junction · 146 | Outlaws of Thunder Junction | 146 | Rare | $4.63 |
| Slickshot Show-OffOutlaws of Thunder Junction · 335 | Outlaws of Thunder Junction | 335 | Rare | $6.46 |
| Slickshot Show-OffOutlaws of Thunder Junction Promos · 146p | Outlaws of Thunder Junction Promos | 146p | Rare | €4.59 |
| Slickshot Show-OffOutlaws of Thunder Junction Promos · 146s | Outlaws of Thunder Junction Promos | 146s | Rare | $5.87 |
| Slickshot Show-OffPlaneswalker Championship Promos · 2025-6 | Planeswalker Championship Promos | 2025-6 | Rare | €22.99 |
| Slickshot Show-OffStore Championships · 43 | Store Championships | 43 | Rare | €5.17 |
| Slickshot Vault-BusterOutlaws of Thunder Junction · 68 | Outlaws of Thunder Junction | 68 | Common | €0.02 |
| Slight MalfunctionUnfinity · 123 | Unfinity | 123 | Common | €0.12 |
| Slight MalfunctionUnfinity · 409 | Unfinity | 409 | Common | €0.57 |
| Slime Against HumanityMurders at Karlov Manor · 177 | Murders at Karlov Manor | 177 | Common | €0.84 |
| Slime Against HumanitySecret Lair Drop Tokens · 7077 | Secret Lair Drop Tokens | 7077 | Rare | $220.23 |
| Slime Against HumanitySecret Lair Drop Tokens · 7078 | Secret Lair Drop Tokens | 7078 | Rare | $206.42 |
| Slime Against HumanitySecret Lair Drop Tokens · 7083 | Secret Lair Drop Tokens | 7083 | Rare | €227.34 |
| SlimebindFoundations Jumpstart · 360 | Foundations Jumpstart | 360 | Common | €0.11 |
| SlimebindRavnica Allegiance · 54 | Ravnica Allegiance | 54 | Common | €0.07 |
| Slimefoot and SqueeMarch of the Machine Commander · 447 | March of the Machine Commander | 447 | Mythic Rare | €2.54 |
| Slimefoot and SqueeMarch of the Machine Commander · 450 | March of the Machine Commander | 450 | Mythic Rare | €7.00 |
| Slimefoot's SurveyDominaria United · 178 | Dominaria United | 178 | Uncommon | €0.07 |
| Slimefoot, Thallid TransplantAlchemy: Dominaria · 26 | Alchemy: Dominaria | 26 | Rare | — |
| Slimefoot, the StowawayCommander Masters · 356 | Commander Masters | 356 | Uncommon | €0.12 |
| Slimefoot, the StowawayCommander Masters · 686 | Commander Masters | 686 | Uncommon | €0.25 |
| Slimefoot, the StowawayDominaria · 205 | Dominaria | 205 | Uncommon | €0.16 |
| Slimefoot, the StowawayDominaria Promos · 205s | Dominaria Promos | 205s | Uncommon | €0.76 |
| Slimefoot, the StowawaySecret Lair Drop Tokens · 1138 | Secret Lair Drop Tokens | 1138 | Rare | €4.36 |
| Slimefoot, the StowawayThe List Tokens · DOM-205 | The List Tokens | DOM-205 | Uncommon | €0.19 |
| Slimefoot, the StowawayTime Spiral Remastered · 386 | Time Spiral Remastered | 386 | Special | €0.28 |
| Slimefoot, the Stowaway // Slimefoot, the StowawayCommander Masters Art Series · 59 | Commander Masters Art Series | 59 | — | — |
| Slime MoldingModern Masters 2017 · 137 | Modern Masters 2017 | 137 | Common | €0.13 |