| Skoa, EmbermageModern Horizons 3 · 420 | Modern Horizons 3 | 420 | Common | $0.07 |
| Skola GrovedancerDuskmourn: House of Horror Commander · 199 | Duskmourn: House of Horror Commander | 199 | Common | €0.14 |
| Skola GrovedancerTheros Beyond Death · 202 | Theros Beyond Death | 202 | Common | €0.09 |
| Skophos ReaverModern Horizons 2 · 140 | Modern Horizons 2 | 140 | Common | €0.16 |
| Skophos ReaverJumpstart: Historic Horizons · 513 | Jumpstart: Historic Horizons | 513 | Common | — |
| Skophos WarleaderTheros Beyond Death · 154 | Theros Beyond Death | 154 | Common | €0.05 |
| SkredColdsnap · 97 | Coldsnap | 97 | Common | $2.68 |
| SkredThe List Tokens · CSP-97 | The List Tokens | CSP-97 | Common | €2.47 |
| SkulduggeryOutlaws of Thunder Junction · 107 | Outlaws of Thunder Junction | 107 | Common | €0.04 |
| SkulduggeryIxalan · 123 | Ixalan | 123 | Common | €0.02 |
| Skulking FugitiveMercadian Masques · 161 | Mercadian Masques | 161 | Common | €0.06 |
| Skulking GhostEternal Masters · 107 | Eternal Masters | 107 | Common | €0.03 |
| Skulking GhostMirage · 143 | Mirage | 143 | Common | $0.15 |
| Skulking GhostThe List Tokens · EMA-107 | The List Tokens | EMA-107 | Common | €0.07 |
| Skulking KnightTime Spiral · 130 | Time Spiral | 130 | Common | €0.08 |
| Skullcap SnailThe Lost Caverns of Ixalan · 119 | The Lost Caverns of Ixalan | 119 | Common | €0.16 |
| Skullmane BakuBetrayers of Kamigawa · 83 | Betrayers of Kamigawa | 83 | Common | €0.04 |
| Skull RaidKaldheim · 111 | Kaldheim | 111 | Common | €0.03 |
| Skull RaidThe List Tokens · KHM-111 | The List Tokens | KHM-111 | Common | $0.17 |
| Skull RendReturn to Ravnica · 195 | Return to Ravnica | 195 | Common | €0.15 |
| SkullsnatcherBetrayers of Kamigawa · 84 | Betrayers of Kamigawa | 84 | Common | €0.27 |
| SkullsnatcherPlanechase Anthology · 36 | Planechase Anthology | 36 | Common | €0.19 |
| SkullsnatcherPlanechase 2012 · 36 | Planechase 2012 | 36 | Common | $0.78 |
| SkullsnatcherHachette UK · 4 | Hachette UK | 4 | Common | — |
| SkullsnatcherHachette UK · 42 | Hachette UK | 42 | Common | — |
| SkullsnatcherHachette UK · 43 | Hachette UK | 43 | Common | — |
| SkullsnatcherSalvat 2005 · A4 | Salvat 2005 | A4 | Common | — |
| SkullsnatcherSalvat 2005 · E17 | Salvat 2005 | E17 | Common | €0.22 |
| SkullsnatcherSalvat 2005 · E18 | Salvat 2005 | E18 | Common | €0.18 |
| SkullsnatcherSalvat 2005 · E19 | Salvat 2005 | E19 | Common | €0.21 |
| SkullsnatcherSalvat 2005 · A42 | Salvat 2005 | A42 | Common | — |
| SkullsnatcherSalvat 2005 · A43 | Salvat 2005 | A43 | Common | — |
| SkullsnatcherThe List Tokens · BOK-84 | The List Tokens | BOK-84 | Common | $0.28 |
| SkullsnatcherJumpstart: Historic Horizons · 384 | Jumpstart: Historic Horizons | 384 | Common | — |
| SkulltapScourge · 73 | Scourge | 73 | Common | €0.09 |
| Skybeast TrackerWilds of Eldraine · 185 | Wilds of Eldraine | 185 | Common | €0.04 |
| Skyblade of the LegionIxalan · 37 | Ixalan | 37 | Common | €0.05 |
| Skyblinder StaffGatecrash · 238 | Gatecrash | 238 | Common | $0.08 |
| Skybox FerryAetherdrift · 243 | Aetherdrift | 243 | Common | €0.06 |
| Skybox FerryAetherdrift · 332 | Aetherdrift | 332 | Common | €0.08 |
| SkybreenPlanechase Planes · 35 | Planechase Planes | 35 | Common | €1.14 |
| SkybreenPlanechase Anthology Planes · 71 | Planechase Anthology Planes | 71 | Common | €0.30 |
| Skybridge TowersStreets of New Capenna · 256 | Streets of New Capenna | 256 | Common | €0.09 |
| Skybridge TowersStreets of New Capenna · 354 | Streets of New Capenna | 354 | Common | €0.06 |
| Skybridge TowersThe List Tokens · SNC-256 | The List Tokens | SNC-256 | Common | $0.10 |
| Skyclave SentinelZendikar Rising · 253 | Zendikar Rising | 253 | Common | €0.06 |
| Skyclave SquidZendikar Rising · 82 | Zendikar Rising | 82 | Common | €0.03 |
| Skyclave SquidZendikar Rising · 296 | Zendikar Rising | 296 | Common | €0.02 |
| Skyclave SquidMagic Online Promos · 83684 | Magic Online Promos | 83684 | Common | — |
| Sky CrierThe List Tokens · SNC-31 | The List Tokens | SNC-31 | Common | $0.12 |